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30" x 54" Aluminum Cover and Frame - Roof Hatch - Ship Stair Access

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$1,342.50
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SKU:
NB-50
Availability:
In Stock
  • 30" x 54" Aluminum Cover and Frame - Roof Hatch - Ship Stair Access

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Product Details

30" x 54" Aluminum Cover and Frame - Roof Hatch - Ship Stair Access

Product Specifications Download Cut Sheet <

Standard Features and Benefits  
  • Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size
  • Automatic hold-open arm locks the cover in the open
    position to ensure safe egress
  • Overlapping cover design, full welded corners on cover and curb, EPDM rubber gasket, and fully insulated cover and curb ensure weathertightness and energy efficiency
  • Constructed with corrosion resistant materials to provide many years of trouble free, dependable service
  • Heavy gauge construction and positive latching mechanism
    maintain building security
  • Curb features the Bil-Clip® flashing system, an innovative
    method to quickly and easily secure single-ply roofing material
    to Bilco roof products
  • Available in many sizes and curb configurations to satisfy any requirement or installation

*Specify model NB-20HZ or NB-50HZ with two-point latch 

 


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  Guide Specifications
  • Material (select one): 
    Steel: Cover and frame are 14 gauge (2 mm) G-90 paint bond galvanized steel. 
    Aluminum: Cover and frame are 11 gauge (2.3 mm) aluminum. 
    Stainless Steel: Cover and frame are 14 gauge (2 mm) type 304 stainless steel
  • Cover: Brakeformed, hollow-metal design with 1" (25 mm) concealed fiberglass insulation, 3" (76 mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
  • Curb: 12" (305 mm) in height with integral capflashing, 1" (25 mm) fiberboard insulation, fully welded at corners, and 3-1/2" (89 mm) mounting flange with 7/16" holes (11 mm) provided for securing frame to the roof deck.
  • Gasket: Extruded EPDM rubber gasket permanently adhered to cover.
  • Hinges: Heavy-duty pintle hinges with 3/8" (9 mm) Type 316 stainless steel hinge pins.
  • Latch: Slam latch with interior and exterior turn handles and padlock hasps. (For Type NB-20HZ and NB-50HZ Miami-Dade County approved models: Specify enclosed two-point spring latch with interior and exterior turn handles and padlock hasps)
  • Lift Assistance: Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.
  • Finish: 
    Steel: Alkyd base red oxide primer. 
    Aluminum: Mill Finish. 
    Stainless Steel: Type 304 stainless steel with bead blast finish
  • Hardware:
    Steel: Engineered composite compression spring tubes and steel compression springs packed in grease. All other hardware is zinc plated/chromate sealed. 
    Aluminum: Engineered composite compression spring tubes and steel compression springs packed in grease.Type 316 Stainless steel hinges. All other hardware is zinc plated/chromate sealed. 
    Stainless Steel: Type 316 stainless steel.
Door Size:
36" wide x 30" high
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Warranty Information

1.5
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Specifications

Door Size:
36" wide x 30" high
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30" x 54" Aluminum Cover and Frame - Roof Hatch - Ship Stair Access