Bilco NB-90

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Bilco NB-90 Type NB Roof Hatch - Ship Stair Access - 30" x 54" - Stainless Steel

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Bilco NB-90 Type NB Roof Hatch - Ship Stair Access - 30" x 54" - Stainless Steel
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Price: $4,578.86 USD
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Product Description:
Type NB Roof Hatch - Ship Stair Access - 30" x 54" - Stainless Steel Cover And Curb

    Standard Features and Benefits:
    • Type NB roof hatches, 30" x 54" (762 mm x 1372 mm), are ideal for installations where frequent use may be expected. Permits easier movement of maintenance personnel, tools and equipment.
    • 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 weather tightness 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

    Guide Specifications:
    • Material: Stainless Steel: Cover and frame are 14 gauge (2 mm) type 304 stainless steel
    • Cover: Brake formed, 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.
    • Lift Assistance: Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.
    • Performance Ratings: Complies with UL 790 Class A (burning brand test).
    • Finish: Stainless Steel - Type 304 stainless steel with mill finish and electrochemical passivation of welds.
    • Hardware: Type 316 stainless steel.





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