VELUX Roof Access Window Rough Opening:22.12 in. x 46.87 in This makes it easy to

This makes it easy to calculate the number of bundles you'll need for your project

Durable fiberglass shingles for extreme weather conditions

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)

thus providing an added layer of safety for the user

This utility harness is not only designed to the highest standards but also meets the strictest safety regulations

VELUX Roof Access Window Rough Opening:22.12 in. x 46.87 in This makes it easy toVELUX 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