Acudor A5656 A-Series Roof Hatch 48 x 48 Aluminum Acudor Roof Hatches are designed to provide convenient, economical access to the roof of a building. Available in prime coated galvanized steel or aluminum. Our hatches are designed with safety, dur ability, and ease of operation in mind. Acudor A5656 A-Series Roof Hatch Optional Features: • Acrylic domes • Louvered Curbs • Stainless Steel Hardware • Curb Mounted • Modified Curb for Metal Building Acudor A5656 A-Series Roof Hatch Specifications: • Roof Hatch Cover: 14 gage galvanized steel / .125 aluminum in box type design with 1" rigid fiberglass insulation and 22 gage galvanized steel / .040 aluminum cover liner. Continuous santoprene weather / draft seal is attached to inside of cover to provide a flush, tight fit. The cover is designed to support a live load of 40 pounds/sq.ft. • Roof Hatch Curb: 14 gage galvanized steel / .125 aluminum with 1" rigid fiberglass insulation at curb exterior. Curb is 12" high, and has 3-1/2" wide mounting flange with pre-drilled holes. • Roof Hatch Hinge: Steel butt hinges with brass pin. • Roof Hatch Opening Device: Fully enclosed compression spring operators allow cover to open and close easily. A utomatic hold open arm with red vinyl grip release keeps cover in open position when needed, and allows for easy control when closing hatch cover. • Roof Hatch Latch: Self-latching outside turn handle with inside lever handle permits cover to al ways latch securely. Inside and outside padlock provisions allow for extra security. • Roof Hatch Finish: Galvanized steel: prime painted with rust-inhibiting grey primer. Aluminum: mill finish. • Convenient weather-tight access to roof & #149; Insulated cover and curb • Available in galvanized steel and aluminum * Dimensions are W x