Babcock-Davis B-RHA Roof Hatch 48 x 48, Aluminum Babcock-Davis B-RHA Roof Hatch 48 x 48, Aluminum The Babcock-Davis B-RHA roof hatch is manufactured from aluminum to ensure years of dependable use, even in most extreme weather conditions. The lids are mounted on a 12" curb with cap flashing to ens
ure against leakage. B-D roof hatches come standard with compression springs, zinc plated steel hardware, and insulation in the cover and at the curb perimeter. Babcock-Davis B-RHA Roof Hatch 48 x 48, Aluminum Features: Cover & Liner: 11-gauge
(0.090") aluminum cover with an 18-gauge aluminum liner Curb: 11-gauge (0.090") aluminum, O...