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30" Width
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54" Length
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Bilco NB-50C
Bilco NB-50C
Bilco NB-50C Type NB Roof Hatch - High Security - Ship Stair Access - 30" x 54" - Aluminum Cover And Curb
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Price:
$
5,823.98 USD
In Stock Ready for Shipment
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1 Fire Vent on Order (Add $272.50)
2 Fire Vents on Order (Add $179.85)
3 Fire Vents on Order (Add $92.65)
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Product Description:
Bilco NB-50C Type NB Roof Hatch - High Security - Ship Stair Access - 30" x 54" - Aluminum Cover And Curb
Standard Features and Benefits:
Type NB roof hatches, High Security - Ship Stair Access 30" x 54" (762mm x 1372mm), 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:
Aluminum - Cover and frame are 11 gauge (2.3 mm) aluminum.
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:
Mill Finish.
Hardware:
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.
Brochure
Installation Instruction
Operational Instructions
Template
Standard Sizes
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