JL Industry's new Diamond Series roof hatch is insulated with R-6 insulation for energy efficiency and has an easy one handed spring opener.
Curb and cover are made of 14 gauge galvanized steel and powder coated with white textured paint.
The Karp KRHA is a watertight aluminum roof hatch designed for ease of use.
Karp Associates, Inc. presents the KRHG, a galvanized roof hatch that includes several new and improved features. 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.
Karp's KRP-150FR is a 3 hour rated insulated access door with exposed flange for ceilings.
The Karp KRP-250FR is an un-insulated 2 hour fire rated panel for walls with a n exposed 1 inch flange.