Curb: Single wall curb and counterflashing with Diamond Grip to secure roof membrane without tools. 14 gauge galvannealed steel, white textured powder coat paint.
Cover: Formed and welded with liner, tested to support a live load of 40psf. 14 gauge with 22 gauge liner galvannealed steel, white textured powder coat paint.
Gasket: Continuous, weatherproof EPDM sponge rubber adhesive-backed seal.
Insulation: 1” polyisocyanurate in curb and cover with thermal resistance R-6.
Spring: Counterbalanced compression springs contained in clear zinc-plated steel cylinders.
Latch: Clear zinc-plated steel slam latch with inside and outside handles and padlock hasps. Tested to 50psf wind uplift.
Hold Open Arm: Clear zinc-plated automatic locking hold open arm with red vinyl grip for one handed door operation.
Hinge: Heavy duty clear zinc-plated steel pintle hinge.