Material: 11 gauge aluminum
Standard Finish: Mill
Curb: Thermally broken single wall curb and counterflashing with tabs.
Cover: Thermally broken cover stiffened to support a live load of 40 psf.
Gasket: Continuous, weatherproof EPDM sponge rubber seal. Insulation: 3” polyisocyanurate in curb and cover with thermal resistance R-20.
Spring: Gas spring with integrated damper for smooth, controlled lift assistance.
Latch: Zinc-plated steel slam latch with inside and outside handles and padlock hasps; 20 psf wind uplift.
Hold Open Arm: Zinc-plated steel automatic hold-open arm locks cover in open position.
Hinge: Heavy duty zinc-plated steel pintle hinge.