Product Description
Product Spec Sheet : 
30" x 96" ADC-L-20HZ Steel Service Stair Roof Hatch MDA Approved - Bilco
The 30" x 96" ADC-L-20HZ Steel Service Stair Roof Hatch MDA Approved from Access Doors Canada prioritizes user comfort with ample headroom for safe and easy rooftop access. This Miami-Dade County-approved hatch is crafted from heavy-gauge steel for exceptional strength and durability.
The ADC-L-20HZ boasts extra clearance space for effortless transport of tools and equipment, maximizing jobsite efficiency. Experience effortless one-handed operation with the ADC-L-20HZ's smooth, lift-assisted opening powered by powerful compression springs.
Built by Bilco to withstand the elements, the ADC-L-20HZ is rigorously tested and certified for use in hurricane zones. This robust steel build can endure rain, heavy winds, and more.
Count on the ADC-L-20HZ's sturdy, fully welded, and weather-sealed curb to provide a long-lasting and reliable solution, performing flawlessly no matter the weather conditions.
Why Should You Use the 30" x 96" ADC-L-20HZ?
- Miami-Dade Approved: The ADC-L-20HZ is fully certified for use in hurricane zones by both the Miami-Dade Building Code Compliance Office and the Florida Building Commission, ensuring it meets the strictest safety standards for high-wind areas.
- Larger Opening for Easy Access: This service stair hatch features a larger standard opening than traditional models, providing a more convenient and safe entry point for accessing rooftops via service stairs.
- Effortless Entry System: Gaining access to rooftops is a breeze with the L-20HZ's one-handed operation thanks to its easy latching system and powerful compression springs. Automatic locking arms further ensure secure access every time.
- UL 790 Fire Resistant: The L-20HZ is constructed from tamper-resistant heavy-gauge steel and boasts a Class A UL 790 rating, offering the highest level of fire resistance for superior rooftop protection.
- Simplified Installation: L-20HZ streamlines installation with a 3-½" mounting flange, overlapping cover design, and pre-drilled holes, allowing for secure fastening to roof decks.
- Weatherproof Construction: Permanently adhered EPDM rubber gaskets create a tight seal on the L-20HZ's cover, keeping the elements out. It is highly resistant to corrosion from harsh weather conditions, including heavy rain.
- Structural Reinforcement and Energy Efficiency: The L-20HZ provides live-load support of up to 40 lbs./sq. ft. and incorporates 1" thick fiberboard insulation within its curb, reinforced by 1" thick fiberglass within its cover, for enhanced thermal resistance and reduced energy consumption.
Product Specifications
- Measurements: 30" x 96"
- Material: Durable 14-gauge G-90 galvanized steel with a zinc-bonded coating for exceptional corrosion resistance.
- Cover: Brake-formed hollow metal design incorporates 1" concealed fiberglass insulation for superior thermal and acoustic dampening. The cover features a 3" beaded, overlapping flange, fully welded at the corners for strength, and is internally reinforced to withstand heavy loads (40 lbs./sq. ft. live load).
- Curb: The 12"-high curb with integrated cap flashing ensures a watertight seal. It includes 1" fiberboard insulation for improved thermal performance and a 3-½" mounting flange with pre-drilled 7/16" holes for streamlined installation.
- Gasket: An extruded EPDM rubber gasket permanently adhered to the cover creates a secure seal.
- Hinges: Heavy-duty pintle hinges with 3/8" Type 316 stainless steel hinge pins ensure smooth operation and superior corrosion resistance.
- Latch: Choose between an enclosed two-point spring latch or interior and exterior turn handles with padlock hasps (Please contact Access Doors Canada to specify your preference).
- Lift-Assistance: Compression spring operators enclosed in telescopic tubes offer controlled opening. An automatic hold-open arm with grip handle release allows for ease of use.
- Finish: Industrial-grade alkyd-based red oxide primer provides a robust base for on-site topcoat application (not included).
- Hardware: Compression spring tubes: Aluminum-engineered composite for lightweight construction with steel compression springs packed in grease for long-lasting performance. Hinges: Type 316 Stainless steel for superior corrosion resistance. Other Hardware: Zinc-plated for added durability.
At Access Doors Canada, we take pride in ensuring our customers are fully satisfied with our products. Just choose the size and customization that fits your construction needs. Connect with us to request a quote or call us at (800) 679-3405. Our team of experts is ready to answer your questions.
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