RHG-4-STH Galvanized Steel Hatch with Integrated Railing 36"W x 36"L

SAFETY RAIL: Model STH

Certifications: Rail meets OSHA-required compliance for safe egress and ingress through rooftop hatch openings while hatch is in use. Complies with OSHA FR 29-1910.232 and CFR 29-1910.27.

Construction: Rail is 1-5/8” OD A53 grade B seamed galvanized steel with zincplated post caps. Rail support brackets are welded to the curb. Posts are mechanically secured to the brackets in the field.

Hardware: Safety chain is zinc-plated 3/16” ASTM chain with quick links and hoops.

Finish: Durable Safety Yellow powder coat finish.

Options: Rigid galvanized self-closing gate.

GALVANIZED ROOF HATCH: Model RHG

Certifications: RHG models include components or materials that are ASTM certified under Specifications A792/A792M-06a; A653/A653M-06a; C726-05 and A36/A36M-05)

Load/Deflection: Roof hatch cover has been tested and approved to support a minimum live load of 40 lbs/ft² with a maximum deflection of 1/150th of the span, maximum negative load of 50 lbs/ft² wind uplift, and 110 mph wind load when cover is in upright position.

Insulation: The curb includes 1” fiberboard insulation surrounding the base. The cover has 1” fiberglass insulation in the space between the exterior cover and liner.

Construction: Hatch is 14 gauge galvanized steel with 12” high curb and 3-5/8” wide flange for securing to roof deck. The cover includes a 14 gauge galvanized steel exterior and 22 gauge liner with an EPDM gasket door seal.

Hardware: Hardware includes a heavy-duty hinge, heavy-gauge automatic hold open arm with red grip, compression-operated shock-absorbing cylinders, exterior handle with integral padlock hasp and interior latching handle with padlock hasp. Pre-installed bolts on the counter flashing assist in retaining the membrane materials against the curb.

Finish: Hatch - Bonderite™ pre-treated gray hammertone powder coat.