Sound insulation "light"

The STB LIGHT Line sound protection door series can effectively be used as an exterior door – with sizes starting from 3000 mm x 3000 mm. Especially for this purpose the required tests in accordance with DIN EN 13241-1 for exterior doors were successfully completed.  Any place were disturbing noises should not reach exterior areas this door series is the perfect choice. With up to RwP 47  this door series ends where the mighty STB POWER Line sound protection gates starts with an RwP of 51 dB.