- Designed for Frequent Stair Access in commercial and industrial applications
- Lightweight 11-Gauge Aluminum Construction resists corrosion and simplifies handling
- Insulated Cover and Curb improve thermal performance and interior comfort
- Weather-Tight Seal with overlapping cover, welded corners, and EPDM gasket
- Safe One-Hand Operation with compression spring lift assist and automatic hold-open arm
Price: $3,220.00
Item #BILCO-L-50
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Description
The Bilco L-50 is a 30″ by 96″ aluminum Type L roof hatch engineered for frequent service stair access. It features a hollow-metal cover and curb with 1″ (25 mm) concealed fiberglass insulation, overlapping cover design, welded corners, and EPDM gasket to ensure weather-tight performance. It includes compression spring operators, automatic hold-open arm, and secure hardware for reliable one-hand operation and building security.
Key Features:
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Aluminum cover and frame (11 gauge) for light weight and corrosion resistance
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1″ insulated cover and fiberboard insulated curb for thermal efficiency
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Overlapping cover design, fully welded corners, EPDM gasket for weathertight seal
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Compression spring lift assistance plus automatic hold-open arm for safe access
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Latches with interior/exterior handles, padlock hasps, and Bil-Clip flashing system
Specifications
- Width × Length: 30″ × 96″ (762 mm × 2438 mm)
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Material: 11 gauge (2.3 mm) aluminum cover and frame
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Curb height: 12″ (305 mm) with integral cap flashing; mounting flange of 3-1/2″ (89 mm) with 7/16″ (11 mm) bolt holes
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Live load capacity: 40 psf (195 kg/m²)
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Includes: Roof hatch with cover, insulated curb, hardware, hold-open arm, EPDM gasket
How To
- Prepare curb or opening sized 30″×96″ and ensure structural support.
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Place the L-50 hatch onto the curb and align the mounting flange holes.
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Secure hatch using bolts through mounting flange, ensure Bil-Clip flashing system is properly attached.
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Test the flange fit, lift operation (springs and hold-open arm), closure, and gasket seal.
FAQs
Q: What insulation does the L-50 have?
A: It includes 1″ concealed fiberglass insulation in cover and fiberboard insulation in the curb.
Q: Is the L-50 aluminum or steel?
A: This model is aluminum (11 gauge cover and frame).
Q: What live load rating does this hatch have?
A: Rated for 40 psf (195 kg/m²).
Q: Can this hatch be latched and locked securely?
A: Yes, it includes slam latch with interior/exterior handles and padlock hasps.
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