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Manufacturer Karp Associates

KRHA Aluminum Roof Hatch

KRHA Aluminum Roof Hatch

Karp's Roof Hatches now maintain heavy gauge stiffeners for added support and stability along with an increased gauge of aluminum for greater durability and strength. The exterior handle has been replaced with a push-button lock release located on the front side of the cover, shielded from environmental elements to prevent water accumulation and leakage. All gasket has been replaced with new wider and more durable gasket 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 is 12" high, .125 alum., integral counterflashing, 3-1/4" wide mounting flange and 1" exterior fiberboard insulation with corner guards.
  • Cover is .125 alum with 22 gauge galvanized liner.
  • Cover is assisted by enclosed compression springs.
  • Cover is mounted on steel butt hinges with brass pin and be complete with closed-cell rubber weather seal, automatic hold open arm with red vinyl grip, and latching devices having inside and outside handles and padlock hasp.
  • All hardware is zinc or cadmium plated.
  • Finish is prime painted with rust-inhibiting primer.
  • This roof hatch is also available in galvanized finish.



Door Size (H x W) Shipping Wt. (lbs.)
24" x 36"
30" x 36"
30" x 54"
30" x 96"

Special sizes and modifications available upon request.

KRHA Aluminum Roof Hatch
Karp Leed

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