JL Industries Weathertight Aluminum Roof Hatch with 12" High Curb and 3-5/8" Wide Flange for Securing to Roof Deck. The Model RHA Series roof hatches provide for normal ladder, step ladder and stair access to roof from interior of the building. Manufactured from aluminum with weather resistant gasketing, these units feature long life, low maintenance and ease of operation. J.L. offers fully welded, mitered corners and box type door design. Units install easily over roof opening and are secured from base flange to roof deck.
Certifications: RHA models include components or materials that are ASTM certified under Specifications 209-06 and C726-05.
Load/Deflection: Aluminum roof hatch covers have been tested and approved to support a minimum live load of 40 lbs. per square foot with a maximum deflection of 1/150th of the span, maximum negative load of 50 lbs. per square foot wind uplift, and 110 mph wind load when cover is in an open position.
Insulation: The curb includes a 1" fiberboard insulation surrounding the base, and 1" mineral wool insulation between the exterior cover and liner.
Construction: .090 aluminum with 12" high curb and 3 5/8" wide flange for securing to roof deck. The cover includes a .090 aluminum exterior and .040 aluminum liner with a TPE draft seal gasket door seal.
Hardware: Hardware includes a heavy duty hinge, slam latch, heavy gauge automatic hold open arm with red grip, compression spring-operated cylinder, exterior handle with integral padlock hasp, and interior locking handle with interior padlock hasp.
All products carry a 5-YEAR warranty after date of shipment against defects in materials and workmanship. We will replace or repair any product found defective within this period at our discretion. No other warranty express or implied is valid. See separate warranty for safety railing. Manufacturer’s warranty, terms and conditions apply in all cases.