Designed to meet the requirements of Building Regulations 1992 B FIRE B1
Complies to BS476 Part 3 1975
Complies with Building Regulations Part L 2002
Can be used with slate or tiled roof
20mm Double Glazed
Sash rotates through 125deg for cleaning
Adjustable ventilation in the frame
Suitable for roof slopes 15-85deg from horizontal
Fitting instructions included
WARNING: Product is heavy and contains glass