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Bilco NB-50 Type NB Roof Hatch, 30 x 54, Aluminum

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$1,572.48
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Model #:  NB-50
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Bilco NB-50 Type NB Roof Hatch, 30 x 54, Aluminum

Type NB, 30" x 54" (762mm x 1372mm), ideal for installations where frequent use may be expected. Permits easier movement of maintenance personnel, tools and equipment. Available in galvanized steel, aluminum, or stainless steel construction.

Bilco NB-50 Type NB Roof Hatch, 30 x 54, Aluminum Features:
• 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

Bilco NB-50 Type NB Roof Hatch, 30 x 54, Aluminum Specifications:
• Aluminum: Cover and frame are 11 gauge (2.3mm) aluminum.
• Cover: Breakformed, hollow-metal design with 1" (25.4mm) concealed fiberglass insulation, 3" (76mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195 kg/m2) live load.
• Curb: 12" (305mm) in height with integral capflashing, 1" (25.4mm) fiberboard insulation, fully welded at corners, and 3-1/2" (89mm) mounting flange with 7/16" holes (11mm) 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" (9.5mm) 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.
• Finish: Aluminum: Mill Finish
• Hardware: Aluminum: Engineered composite compression spring tubes. Steel compression springs with electrocoated acrylic finish.Type 316 Stainless steel hinges. All other hardware is zinc plated/chromate sealed.
Manufacturer: Bilco
Model: NB-50
Shipping: Ground Only Color: Aluminum Color: Gray Material: Aluminum Height: 30 in Width: 54 in Lock Type: Slam Lock

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