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  • Installs Easily Over Roof Opening
  • Embossed Counterflashing Secures Membrane without Tools
  • Energy Efficient (R-6 Polyiso Insulation in Both Curb/Cover)
  • Infrared-Reflective White Powder-Coat Finish
  • EPDM Continuous Hatch Seal
  • OSHA Compliant Counterbalanced Springs
  • Weather Resistant Gasketing
  • Long Life, Low Maintenance
  • Five Year Warranty
  • Made in America

JL RHDG Galvanized Steel Diamond Series™ Roof Hatch


The Diamond Series Galvanized Roof Hatches are designed for safety and easy installation and roof access. Diamond Grip™ embossed counterflashing design quickly secures the roof membrane and backing rod without sharp tools or edges. Manufactured from galvanized steel with weather resistant gasketing, these units feature long life, low maintenance and ease of operation. Springs are counterbalanced to comply with OSHA 1023 fall protection for single hand operation of latches to a ladder. Infrared reflective powder-coat finish.

Product Details

Curb:  Single wall curb and counterflashing with Diamond Grip to secure roof membrane without tools. 14 gauge galvannealed steel, white textured powder coat paint.
 Formed and welded with liner, tested to support a live load of 40psf. 14 gauge with 22 gauge liner galvannealed steel, white textured powder coat paint.
 Continuous, weatherproof EPDM sponge rubber adhesive-backed seal.
 1” polyisocyanurate in curb and cover with thermal resistance R-6.
 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.
: 1.5" polyiso insulation, wood nailer, fiberboard, curb double wall, curb height, stainless hardware, PVDF finishes.


 Made In USA

Floor Door Models
Model Number Net Opening
W x L*
Unit Weight   Access
RHDG-1 30" x 36" 138 lbs. Ladder
RHDG-2 30" x 54" 187 lbs. Stair
RHDG-3 30" x 96" 284 lbs. Stair
RHDG-4 36" x 36" 162 lbs. Ladder
RHDG-5 48" x 48" 232 lbs. Ladder
RHDG-6 32" x 72" 235 lbs. Stair
RHDG-7 37" x 30" 140 lbs. Ladder
* Latch is located on the Length Side


Available Options:

  • Domed Roof Hatch
  • Double Wall Curb Roof Hatch
  • Safety Posts LP-4 & LP-5
  • Additional Color Finishes