Enter Product Keyword

RHG-STH - RHG Series Roof Hatches With Safety Railing

RHG-1-STH with Optional Rigid Gate

 Detail Photo Shows Welded Bracket Construction to Support Safety Railing.



-Designed with corner brackets welded to the counterflashing for easy assembly and installation of the safety railing in the field.

-Roof hatch with railing is sold as one unit.

-Complies with OSHA CFR 29-1910.28 when ordered with self-closing rigid gate


Product Details


Material: 14 gauge galvannealed steel.

Finish: Gray textured powder coat paint.

Curb: 12" single wall curb with 3-5/8" wide flange with holes for securing to roof deck.

Cover: 14 gauge galvannealed steel, with 22 gauge galvanized steel liner. EPDM gasket seal.

Insulation: 1” Fiberboard insulation in curb and 1” mineral wool in cover.

Hardware: Heavy-duty hinge, pin and fastening hardware are zinc-plated steel. Heavy gauge, automatic hold-open arm with red vinyl grip for opening and closing.

Spring: Counterbalanced spring(s) in cylinders for lift assist.

Latch: Zinc-coated exterior and interior handles with interior and exterior padlock hasp.

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.



Certifications: When ordered with optional rigid gate, the railing meets OSHA 1910.28 requirement for safe egress and ingress through rooftop hatch openings.

Material: 1.66” O.D. galvannealed steel tubing.

Finish: Safety yellow powder coat paint.

Hardware: Zinc-plated steel nuts, bolts and washers and 3/16” ASTM proof coil chain with hoops for securing.


Options: Rigid galvanized steel self-closing gate, stainless steel hardware, polyiso insulation, optional colors