JL Industries RHDG-2WT 30 × 54 Roof Hatch – Diamond Series, White Powder Coat

The JL Industries RHDG-2WT is a Diamond Series roof hatch built from galvannealed steel for reliable, long-term roof access. It features R-6 polyisocyanurate insulation and the Diamond Grip design that secures the roof membrane without tools, with a durable white textured powder coat finish.

Key Features

• Galvannealed steel curb and cover with R-6 insulation
• Diamond Grip tool-free roof membrane securement
• Automatic locking hold-open arm for one-handed operation
• Slam latch with inside/outside handles; tested to 50 psf wind uplift
• Clear opening 19 x 48 with 75° door opening

Model: RHDG-2WT, size 30 in x 54 in

Curb: 14 gauge galvannealed steel single-wall curb with counterflashing and Diamond Grip

Cover: 14 gauge galvannealed steel exterior with 22 gauge liner; formed and welded; tested to support 40 psf live load

Finish: White textured powder coat

Gasket: Continuous weatherproof EPDM sponge rubber, adhesive-backed

Insulation: 1 in polyisocyanurate in curb and cover; thermal resistance R-6

Hinge: Heavy-duty clear zinc-plated steel pintle hinge

Hold-open arm: Clear zinc-plated automatic locking arm with red vinyl grip

Latch: Clear zinc-plated steel slam latch with inside and outside handles and padlock hasps; tested to 50 psf wind uplift

Springs: Counterbalanced compression springs in clear zinc-plated steel cylinders

Clear opening: 19 in x 48 in

Door opening: 75 degrees

Notes: For pitched roofs up to 7:12, mount hinge side parallel to slope

Weight: 188 lb

• Verify roof opening and framing for 30 x 54 model requirements.
• Set curb in place; on roofs up to 7:12 pitch, orient the hinge side parallel to the slope.
• Fasten curb per project specifications, ensuring continuous gasket contact.
• Install cover; confirm the hold-open arm locks and the door opens to 75 degrees.
• Test slam latch operation from inside and outside; add padlocks if required.

Q: What is the insulation value?
A: The curb and cover include 1 in polyisocyanurate insulation with a thermal resistance of R-6.

Q: What is the clear opening?
A: The clear opening is 19 in x 48 in.

Q: What wind uplift has the latch assembly been tested to?
A: The slam latch assembly is tested to 50 psf wind uplift.

Q: What is the door opening angle?
A: The door opens to 75 degrees.

Q: What is the construction and finish?
A: 14 gauge galvannealed steel curb and cover with a white textured powder coat finish and EPDM perimeter gasket.