VELUX Roof Access Window Rough Opening:22.12 in. x 46.87 in It is designed specifically as

It is designed specifically as an accessory to the Malta Dynamics’ Hard Hat line

For residential retrofit

Class A Fire Rated: Meets ASTM E84 as a Class 1 (A) system with a Flame Spread Index of 5 and Smoke Developed Index of 450 (at 2" thickness)

cuts and tears providing added durability and longevity Compact and lightweight design

VELUX Roof Access Window Rough Opening:22.12 in. x 46.87 in It is designed specifically asVELUX Roof Access Window provides easy roof access for repairs, maintenance, or emergency and egress. A convenient locking device keeps the sash in its open position, and it also features a ventilation flap for when roof access isn't necessary. With a slim sash and frame appearance, it looks sleek against any roofline and can be installed as a left hinged or right hinged window. Key Features: Suitable for 15 to 85 roof pitch Easy access to outdoors