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  • White Textured Powder Coat Paint
  • Designed for Stair Access
  • Installs Easily Over Roof Opening
  • Embossed Counter Flashing
    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
30 Working Days
Lead Time
JL RHDG Galvanized Steel Diamond Series™ Roof Hatch Stair Access
The RHDG roof hatches diamond galvanized series is designed for safety, easy installation, and roof access.  The sizes provided above are designed for stair access.  Diamond Grip™ embossed counter flashing 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 counter flashing 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.
 Counterbalance 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.

 Submittal Sheet  RHDG-2WT  Roof Accessories Catalog
 Specifications  RHDG-3WT  JL Catalog
 Warranty  RHDG-6WT  Diamond Flyer  
 Installation Instructions  Made In USA  Comparison Chart


Galvanized Roof Hatch Models
Model Number Net Opening
W x L*
Unit Weight   Access Lead-Time
RHDG-1WT 36" x 30" 138 lbs. Ladder In Stock
RHDG-2WT 30" x 54" 187 lbs. Stair In Stock
RHDG-3WT 30" x 96" 284 lbs. Stair 30 Days
RHDG-4WT 36" x 36" 162  lbs. Ladder In Stock
RHDG-5WT 48" x 48" 232 lbs. Ladder In Stock
RHDG-6WT 32" x 72" 235 lbs. Stair 30 Days
RHDG-7WT 37" x 30" 140 lbs. Ladder 30 Days
* Latch is located on the Length Side
Custom sizes available

Stair Access

Available Options:
  • Domed Roof Hatch
  • Double Wall Curb Roof Hatch
  • Safety Posts LP-4 & RSLP-G
  • Additional Color Finishes
 Replacement Parts

JL Industries a division of Activar Construction Products Group, Inc. Models: