pvc raam met scharnieren aan lange zijde 1300 x 2000 mm KKB HHOH 1300 2800 17 49 59 Heatstop 17 49 59 Heatstop PC Double walled Clear (T H) 2 secure bridge between your roofing membrane and the window you can quickly and easily transform your skylight These specially designed frames allow you to easily and efficiently regulate air flows in your space