Product Specifications
Material: Curb is 14 gauge galvanneal steel and cover is polycarbonate domes with aluminum extrusion frame
Finish: Silver textured powder coat paint
Dome: Clear over white polycarbonate domes
Gasketing: Weatherproof EPDM sponge rubber adhesive-backed seal
Insulation: 1” polyisocyanurate (R-6) on curb and in cover
Hinges: Heavy-duty aluminum hinge with bolt pin
Hold-Open Arm: Clear zinc-plated steel hold-open arm
Latches: Rotary latch mechanism designed to hold covers closed against 90psf wind uplift. Opens manually with internal and external manual pull handles and automatically with fusible link.
Operation: Gas springs automatically open covers when 165°F fusible link melts or when exterior or interior pull handles are utilized. The hatch lids are dampened by a hydraulic shock to control operating speed.
Certifications: UL 793 listed and labeled up to 48” x 96”