RHA - ALUMINUM ROOF HATCHES

Cover & Liner: Cover is stiffened to withstand a live load of 40 psf with a max deflection of 1/150th of the span. Cover withstands a maximum wind uplift of 20 psf.
RHA: 11 ga. aluminum cover with 18 ga. aluminum liner

Curb: 12 high single wall curb with EZ tabbed counter flash
RHA: 11 ga. aluminum curb

Hinge: Tamper proof, heavy-duty zinc plated steel designed as part of spring assembly

Springs: Steel compression springs enclosed in telescopic tubes

Latch: Zinc plated steel with integrated turn handle latch

Insulation: 1 thick rigid fiberboard at curb perimeter and 1 polystyrene in cover

Flange: 3.5 flange with .625 diameter mounting holes

Finish: RHA: Mill finish aluminum