Curb: Single wall curb and counterflashing with Diamond Grip to secure roof membrane without tools. 11 gauge aluminum mill finish.
Cover: Single wall curb and counterflashing with Diamond Grip to secure roof membrane without tools. 14 gauge 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.
Options: 1.5" polyiso insulation, wood nailer, fiberboard, curb double wall, curb height, stainless hardware, PVDF finishes.