{"id":47022,"date":"2025-07-30T12:02:10","date_gmt":"2025-07-30T10:02:10","guid":{"rendered":"https:\/\/www.buchele.de\/stb-power-line\/"},"modified":"2026-09-22T09:19:14","modified_gmt":"2026-09-22T07:19:14","slug":"stb-power-line","status":"publish","type":"page","link":"https:\/\/www.buchele.de\/en\/stb-power-line\/","title":{"rendered":"STB POWER LINE"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"47022\" class=\"elementor elementor-47022 elementor-42332\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6410f1 e-con-full e-flex e-con e-parent\" data-id=\"e6410f1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-5fe8ad5 e-flex e-con-boxed e-con e-child\" data-id=\"5fe8ad5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-af35236 e-con-full e-flex e-con e-child\" data-id=\"af35236\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e614ed5 animated-slow elementor-invisible elementor-widget elementor-widget-the7-heading\" data-id=\"e614ed5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"the7-heading-title elementor-size-default\"><strong>\nSTB POWER LINE<\/strong><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f331d8 animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"8f331d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">High-Performance Soundproof Steel Doors \u2013 for the Most Demanding Soundproofing Requirements<\/h4>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2bad868 e-con-full e-flex e-con e-child\" data-id=\"2bad868\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab669b0 elementor-align-justify elementor-widget__width-inherit elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-the7_button_widget\" data-id=\"ab669b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:750}\" data-widget_type=\"the7_button_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\"><a href=\"\/en\/technical-advice\/\" class=\"box-button elementor-button elementor-size-xl\">Inquire now<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ecba77f e-con-full e-flex e-con e-parent\" data-id=\"ecba77f\" data-element_type=\"container\" data-e-type=\"container\" id=\"stb_power_line\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11c3f42 elementor-widget elementor-widget-spacer\" data-id=\"11c3f42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-df141e4 e-flex e-con-boxed e-con e-child\" data-id=\"df141e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-67b8ad5 e-con-full e-flex e-con e-child\" data-id=\"67b8ad5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-519b2fd content-align-left the7-hover-visibility-disabled preserve-img-ratio-cover transform-overlay-yes exceeding-frame-yes elementor-widget elementor-widget-the7-image-widget\" data-id=\"519b2fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;hover_visibility&quot;:&quot;disabled&quot;}\" data-widget_type=\"the7-image-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-image-container\"><div class=\"the7-image-wrapper the7-elementor-widget the7-transform-container\"><div class=\"post-thumbnail-rollover layzr-bg img-css-resize-wrapper\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1240\" height=\"859\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#039;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#039;%20viewBox%3D&#039;0%200%201240%20859&#039;%2F%3E\" class=\"attachment-full size-full preload-me aspect lazy lazy-load\" alt=\"Stainless steel handle of an STB POWER LINE sound insulation door in front of absorber wedges\" sizes=\"(max-width: 1240px) 100vw, 1240px\" style=\"--ratio: 1240 \/ 859;\" data-src=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_01.webp\" loading=\"eager\" data-srcset=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_01.webp 1240w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_01-300x208.webp 300w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_01-1024x709.webp 1024w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_01-768x532.webp 768w\" \/><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da45fdd e-con-full e-flex e-con e-child\" data-id=\"da45fdd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbc7386 elementor-widget elementor-widget-the7-heading\" data-id=\"bbc7386\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">A NEW LEVEL OF TRANQUILITY<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55eb0c6 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"55eb0c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Sound insulation at the highest level<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c7736e elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"9c7736e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The STB POWER LINE is BUCHELE&#8217;s answer to extreme sound insulation requirements. With tested sound insulation values of up to 60 dB in accordance with DIN EN ISO 10140-2, it offers reliable shielding \u2013 even at low frequencies from 125 Hz. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d1ac198 e-con-full e-flex e-con e-parent\" data-id=\"d1ac198\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ada87e3 e-flex e-con-boxed e-con e-child\" data-id=\"ada87e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-247accb e-con-full e-flex e-con e-child\" data-id=\"247accb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4814598 elementor-widget elementor-widget-the7-heading\" data-id=\"4814598\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">Powerful technology in detail<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0d81892 e-con-full e-grid e-con e-child\" data-id=\"0d81892\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17d8c5f elementor-widget elementor-widget-shortcode\" data-id=\"17d8c5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><h2 id=\"tablepress-23-name\" class=\"tablepress-table-name tablepress-table-name-id-23\">Technical properties STB POWER LINE<\/h2>\n\n<table id=\"tablepress-23\" class=\"tablepress tablepress-id-23 tablepress-responsive tablepress-responsive-phone\" aria-labelledby=\"tablepress-23-name\">\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\">Fire protection<\/td><td class=\"column-2\">EN 1634-1<\/td><td class=\"column-3\">EI<sub>2<\/sub> 30<\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Fire protection<\/td><td class=\"column-2\">EN 1634-3<\/td><td class=\"column-3\">S <sub>200<\/sub><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Sound insulation<\/td><td class=\"column-2\">EN ISO 10140-2<\/td><td class=\"column-3\">51 to 60 dB<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Burglary protection<\/td><td class=\"column-2\">EN 1627<\/td><td class=\"column-3\">RC2 to RC 5<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Bullet resistance<\/td><td class=\"column-2\">EN 1522<\/td><td class=\"column-3\">FB4\/FB6, FB7-NS<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Air\/gas permeability<\/td><td class=\"column-2\">EN 1026<\/td><td class=\"column-3\">up to class 4<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Resistance to driving rain    <\/td><td class=\"column-2\">EN 1027<\/td><td class=\"column-3\">up to class 6A<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Resistance to wind load<\/td><td class=\"column-2\">EN 12211<\/td><td class=\"column-3\">up to class C5<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">Pressure resistance<\/td><td class=\"column-2\">EN 13124-1<\/td><td class=\"column-3\">up to 20 kPa<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">Explosion protection<\/td><td class=\"column-2\">EN 1127-1<\/td><td class=\"column-3\">up to Zone 1\/21<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-23 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-98cfa82 e-con-full e-flex e-con e-parent\" data-id=\"98cfa82\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c33ce00 elementor-widget elementor-widget-spacer\" data-id=\"c33ce00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9e5f5b8 e-flex e-con-boxed e-con e-child\" data-id=\"9e5f5b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-12ac39a e-con-full e-flex e-con e-child\" data-id=\"12ac39a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb537fc content-align-left the7-hover-visibility-disabled preserve-img-ratio-cover transform-overlay-yes exceeding-frame-yes elementor-widget elementor-widget-the7-image-widget\" data-id=\"bb537fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;hover_visibility&quot;:&quot;disabled&quot;}\" data-widget_type=\"the7-image-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-image-container\"><div class=\"the7-image-wrapper the7-elementor-widget the7-transform-container\"><div class=\"post-thumbnail-rollover layzr-bg img-css-resize-wrapper\"><img decoding=\"async\" width=\"952\" height=\"1240\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#039;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#039;%20viewBox%3D&#039;0%200%20952%201240&#039;%2F%3E\" class=\"attachment-full size-full preload-me aspect lazy lazy-load\" alt=\"Stainless steel lever handle and lock of an STB POWER LINE sound insulation door by BUCHELE\" sizes=\"(max-width: 952px) 100vw, 952px\" style=\"--ratio: 952 \/ 1240;\" data-src=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_03_schallschutztuere.webp\" loading=\"eager\" data-srcset=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_03_schallschutztuere.webp 952w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_03_schallschutztuere-230x300.webp 230w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_03_schallschutztuere-786x1024.webp 786w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_03_schallschutztuere-768x1000.webp 768w\" \/><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4f98f5 e-con-full e-flex e-con e-child\" data-id=\"f4f98f5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-934359f elementor-widget elementor-widget-the7-heading\" data-id=\"934359f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">Premium finish for every door<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ca9ba3 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"7ca9ba3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Special hardware technology:<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-69566c5 e-con-full e-grid e-con e-child\" data-id=\"69566c5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d6901b elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"8d6901b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Specially designed and manufactured for maximum performance<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Our clamping lever hardware is sturdy and durable, ensuring maximum stability and optimal ease of use<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Special locks with a locking screw for maximum clamping pressure<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Operating error lock<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Optional with an additional panic release function<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9aec707 e-con-full e-flex e-con e-parent\" data-id=\"9aec707\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-04245e8 elementor-widget elementor-widget-spacer\" data-id=\"04245e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8783883 e-flex e-con-boxed e-con e-child\" data-id=\"8783883\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8f08481 e-con-full e-flex e-con e-child\" data-id=\"8f08481\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a6b28c elementor-widget elementor-widget-the7-heading\" data-id=\"6a6b28c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">Quality down to the last detail<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ebc195 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"4ebc195\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Variants &amp; special solutions<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9eb6001 e-con-full e-grid e-con e-child\" data-id=\"9eb6001\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20d55ec elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"20d55ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Single-leaf or double-leaf door design<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Various threshold options: including an accessible raised threshold<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Also available with a light well and double-pane glazing<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Additional installation of acoustic absorber elements<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Upstream belt design for maximum clear passage at full opening angle<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Oversized sizes are available upon request<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-812a7cd e-con-full e-flex e-con e-child\" data-id=\"812a7cd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64ea685 content-align-left the7-hover-visibility-disabled preserve-img-ratio-cover transform-overlay-yes exceeding-frame-yes elementor-widget elementor-widget-the7-image-widget\" data-id=\"64ea685\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;hover_visibility&quot;:&quot;disabled&quot;}\" data-widget_type=\"the7-image-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-image-container\"><div class=\"the7-image-wrapper the7-elementor-widget the7-transform-container\"><div class=\"post-thumbnail-rollover layzr-bg img-css-resize-wrapper\"><img decoding=\"async\" width=\"827\" height=\"1240\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#039;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#039;%20viewBox%3D&#039;0%200%20827%201240&#039;%2F%3E\" class=\"attachment-full size-full preload-me aspect lazy lazy-load\" alt=\"STB POWER LINE sound insulation door by BUCHELE with absorber wedges at a trade fair\" sizes=\"(max-width: 827px) 100vw, 827px\" style=\"--ratio: 827 \/ 1240;\" data-src=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_05_schallschutztuere.webp\" loading=\"eager\" data-srcset=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_05_schallschutztuere.webp 827w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_05_schallschutztuere-200x300.webp 200w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_05_schallschutztuere-683x1024.webp 683w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_05_schallschutztuere-768x1152.webp 768w\" \/><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-18a35c8 e-con-full e-flex e-con e-parent\" data-id=\"18a35c8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f94143 elementor-widget elementor-widget-spacer\" data-id=\"6f94143\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0bfe36f e-flex e-con-boxed e-con e-child\" data-id=\"0bfe36f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-cefdd3f e-con-full e-flex e-con e-child\" data-id=\"cefdd3f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb00414 content-align-left the7-hover-visibility-disabled preserve-img-ratio-cover transform-overlay-yes exceeding-frame-yes elementor-widget elementor-widget-the7-image-widget\" data-id=\"cb00414\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;hover_visibility&quot;:&quot;disabled&quot;}\" data-widget_type=\"the7-image-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-image-container\"><div class=\"the7-image-wrapper the7-elementor-widget the7-transform-container\"><div class=\"post-thumbnail-rollover layzr-bg img-css-resize-wrapper\"><img decoding=\"async\" width=\"827\" height=\"825\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#039;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#039;%20viewBox%3D&#039;0%200%20827%20825&#039;%2F%3E\" class=\"attachment-full size-full preload-me aspect lazy lazy-load\" alt=\"Double-leaf STB POWER LINE sound insulation door by BUCHELE with absorber wedges, open\" sizes=\"(max-width: 827px) 100vw, 827px\" style=\"--ratio: 827 \/ 825;\" data-src=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_02_schallschutztuere.webp\" loading=\"eager\" data-srcset=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_02_schallschutztuere.webp 827w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_02_schallschutztuere-300x300.webp 300w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_02_schallschutztuere-150x150.webp 150w, https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/09\/stb-power-line_buchele_02_schallschutztuere-768x766.webp 768w\" \/><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bb61fa0 e-con-full e-flex e-con e-child\" data-id=\"bb61fa0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c8e80c2 elementor-widget elementor-widget-the7-heading\" data-id=\"c8e80c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">Versatile and customizable<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9c6eb7 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"c9c6eb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Areas of application<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-901cf72 e-con-full e-grid e-con e-child\" data-id=\"901cf72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3f6fdf elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"a3f6fdf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Power plants &amp; industrial halls<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Industrial facilities &amp; test benches <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Research institutions <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Automotive &amp; Aerospace<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Theater &amp; Cultural buildings<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"56\" height=\"56\" fill=\"#000000\" viewBox=\"0 0 256 256\"><path d=\"M232.49,80.49l-128,128a12,12,0,0,1-17,0l-56-56a12,12,0,1,1,17-17L96,183,215.51,63.51a12,12,0,0,1,17,17Z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Recording Studios<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-21ac28d e-con-full e-flex e-con e-parent\" data-id=\"21ac28d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-51bdf76 e-flex e-con-boxed e-con e-child\" data-id=\"51bdf76\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dfddbd5 e-flex e-con-boxed e-con e-child\" data-id=\"dfddbd5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e164ced elementor-widget elementor-widget-the7-heading\" data-id=\"e164ced\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"the7-heading-title elementor-size-default\">Excellence in every detail<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86e4557 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"86e4557\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Quality and certification<\/h2><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1b28b4 elementor-widget-tablet__width-inherit elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"c1b28b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>All STB POWER LINE doors are tested as complete elements \u2013 including frames, glazing, and accessories. The tests are carried out by authorized testing institutions and are documented with test reports and identification labels. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-119efb2 e-con-full e-flex e-con e-child\" data-id=\"119efb2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d69f14b e-flex e-con-boxed e-con e-child\" data-id=\"d69f14b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-764ebbe e-grid e-con-full e-con e-child\" data-id=\"764ebbe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d513544 e-con-full e-flex e-con e-child\" data-id=\"d513544\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-996c4e7 elementor-align-center elementor-widget elementor-widget-the7_icon_widget\" data-id=\"996c4e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_icon_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-icon-wrapper the7-elementor-widget\"><div class=\"elementor-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"Ebene_1\" data-name=\"Ebene 1\" viewBox=\"0 0 100 100\"><defs><style>      .cls-1 {        fill: #e60000;      }    <\/style><\/defs><path class=\"cls-1\" d=\"M81.48,30.43c-.61-.64-1.52-.91-2.38-.71-.86.2-1.55.84-1.82,1.69-1.23,3.94-3.89,7.48-5.87,9.34-.32-18.44-16.03-37.19-21.63-40.16-1.96-1.04-3.23-.37-3.8.12-.56.48-1.4,1.57-.77,3.56,2.28,9.4.28,12.07-2.76,16.11-3.12,4.15-6.94,9.24-7.54,21.79-.71-.49-1.4-1.15-2.03-1.94-1.28-1.62-4.11-6.19-2.7-13.64.2-1.06-.3-2.13-1.25-2.65s-2.12-.37-2.91.36c-9.74,9.11-24.83,27.56-16.47,48.74,6.05,15.33,23.61,26.88,40.84,26.88h0c.41.02.82.04,1.22.04.76,0,1.51-.06,2.24-.14,22.99-1.23,32.21-14.63,35.7-22.78,6.53-15.25,3.12-34.85-8.1-46.61ZM64.44,85.11c-1.97,5.64-5.9,9.07-10.94,9.73-.97.05-1.97.08-2.98.08-7.37-.69-12.19-3.42-14.34-8.14-2.95-6.47-.49-15.51,1.55-20.02.02.05.03.1.05.15,1.23,3.49,3.08,8.78,7.79,8.28,1.19-.12,2.96-.69,4.6-2.7,3.3-4.05,4.63-11.92,4.63-19.15,10.32,9.52,12.82,22.67,9.64,31.77ZM84.98,75.07c-3.56,8.32-10,14.19-18.67,17.29,1.15-1.63,2.11-3.51,2.84-5.61,4.19-12,.15-29.89-15.7-40.86-.8-.56-1.85-.59-2.69-.1-.84.5-1.31,1.43-1.21,2.4.87,8.55-.55,17.83-3.25,21.13-.31.38-.77.84-1.23.89-.27.04-1.02-.57-2.57-4.97-.96-2.74-1.79-5.1-4.09-5.43-.91-.13-2.27.07-3.5,1.77-2.04,2.82-8.04,16.81-3.27,27.27.24.53.51,1.04.8,1.53-8.22-4.24-15.04-11.12-18.22-19.18-4.82-12.2-1.02-25.76,10.69-38.66.34,4.08,1.73,7.83,4.07,10.78,2.31,2.92,5.32,4.67,8.26,4.8.68.04,1.34-.22,1.83-.69.49-.47.77-1.12.77-1.8,0-13.45,3.51-18.12,6.61-22.25,2.8-3.74,5.48-7.29,4.53-15.37,6.13,6.33,16.94,21.41,15.3,36.18-.12,1.05.44,2.05,1.38,2.52.8.39,2.14.7,3.93-.07,2.99-1.29,6.52-5.32,8.81-9.75,7.84,10.5,9.83,25.93,4.58,38.2Z\"><\/path><\/svg><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea13974 elementor-widget elementor-widget-the7-heading\" data-id=\"ea13974\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-heading-title elementor-size-default\">EN 1634-1: Fire resistance \n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-757be60 elementor-align-center elementor-widget elementor-widget-the7_button_widget\" data-id=\"757be60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_button_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\"><a href=\"\/en\/fire-protection\/\" class=\"box-button elementor-button elementor-size-md\">Learn more<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5391d59 e-con-full e-flex e-con e-child\" data-id=\"5391d59\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-645aca8 elementor-align-center elementor-widget elementor-widget-the7_icon_widget\" data-id=\"645aca8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_icon_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-icon-wrapper the7-elementor-widget\"><div class=\"elementor-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"Ebene_1\" data-name=\"Ebene 1\" viewBox=\"0 0 100 100\"><defs><style>      .cls-1 {        fill: #e60000;      }    <\/style><\/defs><path class=\"cls-1\" d=\"M45,11.82c-.88-.41-1.92-.27-2.67.36l-21.36,18.13H6.82c-1.38,0-2.5,1.12-2.5,2.5v32.29c0,1.38,1.12,2.5,2.5,2.5h14.48l21.03,17.81c.46.39,1.03.59,1.61.59.36,0,.71-.08,1.05-.23.88-.41,1.45-1.29,1.45-2.27V14.08c0-.97-.57-1.86-1.45-2.27ZM41.45,78.11l-17.62-14.92c-.45-.38-1.02-.59-1.61-.59h-12.9v-27.29h12.58c.59,0,1.17-.21,1.62-.59l17.94-15.23v58.63Z\"><\/path><path class=\"cls-1\" d=\"M76.79,2.29c-1.17-.73-2.71-.37-3.44.8-.73,1.17-.37,2.71.8,3.44,9.89,6.17,16.54,23.45,16.54,43,0,20.64-7.41,38.66-18.02,43.82-1.24.6-1.76,2.1-1.15,3.34.43.89,1.32,1.41,2.25,1.41.37,0,.74-.08,1.09-.25,12.26-5.96,20.83-25.83,20.83-48.31,0-21.21-7.59-40.19-18.89-47.24Z\"><\/path><path class=\"cls-1\" d=\"M81.07,49.74c0-12.31-4.31-22.96-10.99-27.12-1.17-.73-2.71-.37-3.44.8-.73,1.17-.37,2.71.8,3.44,5.09,3.17,8.64,12.58,8.64,22.88,0,12.3-4.71,21.02-9.36,23.28-1.24.6-1.76,2.1-1.15,3.34.43.89,1.32,1.41,2.25,1.41.37,0,.74-.08,1.09-.25,7.28-3.54,12.17-14.7,12.17-27.77Z\"><\/path><path class=\"cls-1\" d=\"M59.96,33.97c-1.17-.73-2.71-.37-3.44.8-.73,1.17-.37,2.71.8,3.44,2.1,1.31,4.23,5.73,4.23,11.65,0,6.24-2.33,10.75-4.52,11.82-1.24.6-1.76,2.1-1.15,3.34.43.89,1.32,1.4,2.25,1.4.37,0,.74-.08,1.09-.25,4.39-2.13,7.33-8.69,7.33-16.31,0-7.16-2.58-13.4-6.58-15.89Z\"><\/path><\/svg><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fc0e4b elementor-widget elementor-widget-the7-heading\" data-id=\"6fc0e4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-heading-title elementor-size-default\">EN ISO 10140-2: Acustic protection <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d39685b elementor-align-center elementor-widget elementor-widget-the7_button_widget\" data-id=\"d39685b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_button_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\"><a href=\"\/en\/sound-insulation\/\" class=\"box-button elementor-button elementor-size-md\">Learn more<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-97f6665 e-con-full e-flex e-con e-child\" data-id=\"97f6665\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d78069 elementor-align-center elementor-widget elementor-widget-the7_icon_widget\" data-id=\"0d78069\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_icon_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-icon-wrapper the7-elementor-widget\"><div class=\"elementor-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"Ebene_1\" data-name=\"Ebene 1\" viewBox=\"0 0 100 100\"><defs><style>      .cls-1 {        fill: #e60000;      }    <\/style><\/defs><path class=\"cls-1\" d=\"M75.29,38.35h-4.08v-12.08c0-10.87-9.46-19.72-21.09-19.72s-21.09,8.85-21.09,19.72v12.08h-4.33c-2.99,0-5.43,2.44-5.43,5.43v44.24c0,2.99,2.44,5.43,5.43,5.43h50.59c2.99,0,5.43-2.44,5.43-5.43v-44.24c0-2.99-2.44-5.43-5.43-5.43ZM34.03,26.27c0-8.12,7.22-14.72,16.1-14.72s16.1,6.6,16.1,14.72v12.08h-32.19v-12.08ZM75.73,88.02c0,.24-.2.43-.43.43H24.71c-.24,0-.43-.2-.43-.43v-44.24c0-.24.2-.43.43-.43h50.59c.24,0,.43.2.43.43v44.24Z\"><\/path><path class=\"cls-1\" d=\"M60.42,57.62c0-5.69-4.62-10.32-10.29-10.32s-10.29,4.63-10.29,10.32c0,3.05,1.38,5.94,3.7,7.88l-1.81,13.79c-.09.71.12,1.43.6,1.97.47.54,1.16.85,1.88.85h11.57c.72,0,1.4-.31,1.88-.85.47-.54.69-1.26.6-1.97l-1.79-13.57c2.48-1.94,3.97-4.9,3.97-8.1ZM52.55,62.31c-1.01.53-1.5,1.68-1.24,2.79,0,.04.02.08.03.12l1.57,11.89h-5.87l1.57-11.94s.03-.09.04-.13c.31-1.1-.17-2.26-1.15-2.83-1.67-.97-2.67-2.69-2.67-4.59,0-2.94,2.38-5.32,5.3-5.32s5.3,2.39,5.3,5.32c0,1.97-1.1,3.76-2.87,4.69Z\"><\/path><\/svg><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-002ed33 elementor-widget elementor-widget-the7-heading\" data-id=\"002ed33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-heading-title elementor-size-default\">EN 1627: Burglar protection<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d00573b elementor-align-center elementor-widget elementor-widget-the7_button_widget\" data-id=\"d00573b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_button_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\"><a href=\"\/en\/burglary-protection\/\" class=\"box-button elementor-button elementor-size-md\">Learn more<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3fad36c e-con-full e-flex e-con e-child\" data-id=\"3fad36c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0bfb11b e-flex e-con-boxed e-con e-child\" data-id=\"0bfb11b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-977bb34 elementor-widget-tablet__width-inherit elementor-widget elementor-widget-the7-heading\" data-id=\"977bb34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-heading-title elementor-size-default\">The STB POWER LINE is a technical masterpiece for demanding acoustic and safety requirements. <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8836d42 elementor-widget-tablet__width-inherit elementor-widget__width-initial elementor-widget elementor-widget-the7-heading\" data-id=\"8836d42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"the7-heading-title elementor-size-default\">\nIt combines robust construction with an elegant appearance and offers a wide range of protective functions \u2013 individually configurable and architecturally integrable.\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c49b6c e-flex e-con-boxed e-con e-child\" data-id=\"2c49b6c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36064f0 elementor-align-justify elementor-widget__width-inherit elementor-widget elementor-widget-the7_button_widget\" data-id=\"36064f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"the7_button_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\"><a href=\"\/en\/technical-advice\/\" class=\"box-button elementor-button elementor-size-xl\"> The BUCHELE team will be happy to provide technical advice or tender texts.<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>STB POWER LINE High-Performance Soundproof Steel Doors \u2013 for the Most Demanding Soundproofing Requirements Inquire now A NEW LEVEL OF TRANQUILITY Sound insulation at the highest level The STB POWER LINE is BUCHELE&#8217;s answer to extreme sound insulation requirements. With tested sound insulation values of up to 60 dB in accordance with DIN EN ISO&hellip;<\/p>\n","protected":false},"author":1,"featured_media":43513,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-47022","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>STB POWER LINE \u2013 Soundproof Steel Doors up to 60 dB<\/title>\n<meta name=\"description\" content=\"STB POWER LINE by BUCHELE: high-performance soundproof steel doors with tested values up to 60 dB to DIN EN ISO 10140-2 \u2013 even at low frequencies.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.buchele.de\/stb-power-line\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STB POWER LINE \u2013 Soundproof Steel Doors up to 60 dB\" \/>\n<meta property=\"og:description\" content=\"STB POWER LINE by BUCHELE: high-performance soundproof steel doors with tested values up to 60 dB to DIN EN ISO 10140-2 \u2013 even at low frequencies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.buchele.de\/stb-power-line\/\" \/>\n<meta property=\"og:site_name\" content=\"BUCHELE\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-22T07:19:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.buchele.de\/wp-content\/uploads\/2025\/08\/header_STB-Line_neu.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2551\" \/>\n\t<meta property=\"og:image:height\" content=\"1440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/\",\"url\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/\",\"name\":\"STB POWER LINE \u2013 Soundproof Steel Doors up to 60 dB\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.buchele.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.buchele.de\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/header_STB-Line_neu.webp\",\"datePublished\":\"2025-07-30T10:02:10+00:00\",\"dateModified\":\"2026-09-22T07:19:14+00:00\",\"description\":\"STB POWER LINE by BUCHELE: high-performance soundproof steel doors with tested values up to 60 dB to DIN EN ISO 10140-2 \u2013 even at low frequencies.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.buchele.de\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/header_STB-Line_neu.webp\",\"contentUrl\":\"https:\\\/\\\/www.buchele.de\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/header_STB-Line_neu.webp\",\"width\":2551,\"height\":1440,\"caption\":\"STB POWER LINE sound insulation door by BUCHELE, open, in the corridor of a music studio\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.buchele.de\\\/stb-power-line\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Start\",\"item\":\"https:\\\/\\\/www.buchele.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"STB POWER LINE\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.buchele.de\\\/#website\",\"url\":\"https:\\\/\\\/www.buchele.de\\\/\",\"name\":\"BUCHELE\",\"description\":\"T\u00fcren. 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