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  • .125 Heavy Gauge Aluminum
  • Heavy Gauge Stiffeners for Added Support
  • Push Button Lock Release
  • Wide Durable Gasketing
  • Watertight Closure
  • Rounded Edges for Improved Safety

Karp KRHA Aluminum Roof Hatch


The Karp KRHA Aluminum Roof Hatch has been re-engineered and features heavy gauge stiffeners for added support and stability along with an increased gauge of aluminum for greater durability and strength. A push-button lock release located on the front side of the cover, is shielded from environmental elements to prevent water accumulation and leakage. All gasketing is wider and more durable to maximize the door/curb seal and ensure a watertight closure. All edges have been rounded for improved safety. Advanced assembly method allows for reduced welding blemishes. Roof hatches are available in galvanize model KHRG or aluminum model KHRA and are finished with EPA approved electrostatic paint.


  • Curb: .125 aluminum , 12" high, integral counterflashing, 4" wide mounting flanges with pre-drilled holes, and 1" fiberboard insulation on the exterior with metal corner guards.
  • Cover: .125 aluminum with 22 gauge galvanized liner . Cover opens with push button lock release. Cover operation shall be assisted by fully enclosed compression spring operators.
  • Cover shall be mounted on steel butt hinges with brass pin and be complete with closed cell foam rubber weather seal, automatic hold open arm with red vinyl grip, and latching devices having inside and outside padlock hasp.
  • All hardware shall be zinc or cadmium plated.
  • Finish shall be prime coat of rust inhibitive baked grey enamel


H x W Shipping Weight
24 x 36 70 lbs.
30 x 36 85 lbs.
30 x 54 135 lbs.
30 x 96 245 lbs.

Technical Data Karp Catalog
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