L-20HZ 30" x 96" Service Stair Access Roof Hatch – Steel – Miami – Dade Approved – Bilco
The L-20HZ Service Stair Access Roof Hatch is ideal for storm-prone buildings that utilize its maintenance and utility stairs to quickly access the roof. Its structural design strictly follows specific codes and regulations to meet the Miami – Dade approval.
Why Install L-20HZ?
Compliance: Bilco ensures that the product complies with all essential and comprehensive codes and regulations required for Miami-Dade approval, promoting safety, security, health, and the community's general welfare.
Durability: Its 14 gauge (2 mm) G-90 paint bond galvanized steel cover and frame can withstand extreme weather conditions and heavy loads up to 40 psf (195 kg/m2) live load without damaging the roof hatch’s structural design.
Accessibility: It has an automatic hold-open arm which allows authorized building staff and booked service teams to quickly and safely reach the roof.
Material (select one):
- Steel: Cover and frame: 14 gauge (2 mm) G-90 paint bond galvanized steel.
Cover:
- Brake formed
- hollow-metal design
- 1" (25mm) concealed fiberglass insulation
- 3" (76mm) beaded, overlapping flange fully welded at corners
- intrinsically reinforced for 40 psf (195 kg/m2) live load.
Curb:
- It has 12" (305mm) in height with integral cap flashing
- It has 1" (25 mm) fiberboard insulation fully welded at the corners
- 3-1/2" (89 mm) mounting flange
- It has 7/16" holes (11 mm) for securing the roof deck's frame.
Gasket:
- It has extruded EPDM rubber gasket permanently adhered to the cover.
Hinges:
- Heavy-duty pintle hinges
- It uses 3/8" (9 mm) type 316 stainless steel hinge pins.
Latch:
- Positive hold/release mechanism
- UL-listed 165°F (74°C) fusible link
- Can hold up to 90 psf (438 kg/m2) uplift force
- has interior and exterior pull-release cables to the manually open vent cover.
Operation:
- It has compression springs enclosed in telescopic tubes open covers automatically against a ten psf (49 kg/m2) snow/wind load when released. Automatic hold-open arms lock the surface in the fully open position. The cover is supplied with a shock absorber to ensure a controlled opening rate.
Performance Rating:
- UL-listed. It complies with UL 793 and UL 790 Class A (burning brand test).
Finish:
- Steel: Alkyd base red oxide primer.
Hardware:
- Steel: All hardware is zinc-plated/chromate sealed.
Get the Best Deal Today!
Access Doors and Panels offers a vast collection of reliable and customizable roof hatches that your building needs! Call us at (800)-609-2917 and get the best deal for your existing and upcoming projects! You may also check our blogs and expert articles here to learn more about the product.
Door Size: |
30" wide x 96" high
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Material: |
Steel
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Cross Reference: |