Window frame extension elements for plastic windows, sound insulation

Product description


The Frinorm sound insulation window frame extension elements are the right choice especially for high demands on sound insulation as well as high demands on thermal insulation.


They are available in unplasticised PVC in different shades of white (Veka, Kömmerling or Finstral) or

unplasticised PVC with Renolit foil (all colours). Depending on the sound insulation requirements, the frame extension elements are fabricated with heavy bitumen foil. Glass wool, 70 kg/m3, is used for thermal insulation. The frame extension elements are fabricated with a circumferential plywood edge band. Special edge bands are inset according to your requirements.


All possible CNC edge profile work is performed on all sides according to your profile specifications. Special CNC processing like cut-outs, round and segment arches or surface finishing like ventilation slots or surface grooves are also possible.