Door Size:
24 wide x 24 high
Material:
14 gauge galvanized steel
Lock/Latch:
Fully enclosed compression spring operators allow cover to open against 10-lbs./sq. ft. wind or snow load when released.
Curb:
12 high, and has 3-1/2 wide mounting flange with pre-drilled holes. 1 rigid fiberglass insulation at curb exterior.
Hinge:
Steel butt hinges with brass pin
Finish:
Galvanized steel: prime painted with rust-inhibiting grey primer
Product PDF:
http://www.acudoraccesspanels.com/content/PDF/SMOKE%20VENTS%20SINGLE%20LEAF%20SVG%201.pdf
Spec Sheet PDF:
http://www.acudoraccesspanels.com/content/SPC/SMOKE%20VENTS%20SINGLE%20LEAF%20SVG%202.pdf