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Price: $2,885.00
    Item #BILCO-L-20
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    Description

    The Bilco L-20 is a steel Type L roof hatch sized 30″×96″ built for frequent service stair access in commercial or industrial settings. It features a hollow-metal cover with 1″ concealed insulation, an overlapping flange, welded corners, and a fully insulated curb to provide thermal efficiency and weather tightness. Operation is facilitated by compression spring operators, an automatic hold-open arm, and reliable hardware including slam latch and padlock provisions.

    Key Features:

    • Heavy-gauge galvanized steel construction with G-90 paint bond finish
    • 1″ (25 mm) concealed insulation in cover and fiberboard insulation in curb
    • Compression spring lift assistance with automatic hold-open arm
    • Overlapping cover style, welded corners, and EPDM gasket for weather tight seal
    • Bil-Clip® flashing system for secure integration with single-ply roofing

    Specifications

    • Curb-to-curb opening: 30″ × 96″

    • Material: 14 gauge (2 mm) G-90 galvanized steel cover and frame

    • Live load capacity: 40 psf (195 kg/m²)

    • Curb height: 12″ (305 mm); mounting flange 3-1/2″ (89 mm) with 7/16″ (11 mm) holes

    • Includes: Roof hatch with cover, curb, lift hardware, gasket, latch mechanisms

    How To

    • Prepare roof opening at 30″×96″ with adequate structural support.
    • Position the L-20 roof hatch over the opening and secure flange to deck through provided holes.
    • Attach compression spring operators and verify automatic hold-open arm operation.
    • Test cover for proper seal via the gasket and smooth operation using handles and latch.

    FAQs

    Q: What is the lid insulation of the L-20 hatch?
    A: The cover has 1″ (25 mm) concealed fiberglass insulation.

    Q: Can the L-20 steel hatch handle frequent traffic from stairs?
    A: Yes. It is designed for service stair access and heavy use, with hardware to support frequent opening.

    Q: What provides weather protection in the L-20 hatch?
    A: Features include EPDM gasket, overlapping flange, welded corners, and insulated cover and curb.

    Q: What kind of finish is on the steel version of L-20?
    A: The steel hatch is finished with G-90 galvanized coating and primer to resist corrosion.

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