JL Industries RHDG-5WT 48″ x 48″ Diamond Series Steel Roof Hatch, Ladder Access


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  • Energy-efficient, R-6 insulation value
  • No tools needed to secure roof membrane and backer rod to curb
  • White powder coat finish minimizes heat buildup

The RHDG Diamond Series steel roof hatch features bring you the most value in a standard roof hatch

Roof hatches provide convenient access to the rooftop from the inside of commercial or industrial buildings. The Diamond Series Roof Hatch is designed for safe and easy roof access with higher insulation values to reduce building energy costs.

  • Easier to install – The embossed counterflashing design – Diamond Grip™ – quickly secures the roof membrane and backing rod without tools or sharp edges
  • Reduce building energy costs with an R-6 insulation value in both the curb and cover
  • Durable, infrared-reective, white powder coat finish minimizes heat buildup
  • New spring design makes cover easier to operate for compliance with OSHA standards for one-handed operation while on a ladder
  • 5-year warranty

Optional Safety Railing and Safety Posts available.




Size W x L (L = Hinge Side)

48" x 48"

Access Type


Curb Material

14 gauge galvannealed steel

Cover Material

14 gauge with 22 gauge galvannealed steel liner


White textured powder coat

Curb Construction

Single wall curb and counterflashing with Diamond Grip to secure roof membrane without tools

Cover Construction

Formed and welded with liner, tested to support a live load of 40 psf.


Continuous, weatherproof EPDM sponge rubber adhesive-backed seal


1” polyisocyanurate in curb and cover with R-6 thermal resistance


Counterbalanced compression springs contained in clear zinc-plated steel cylinders


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


Heavy duty clear zinc-plated steel pintle hinge


232 lbs.

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