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Price: $1,480.00
    Item #BILCO-NB-50
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    Overview

    The Bilco NB-50 30X54 Aluminum Roof Hatch is ideal for installations where frequent use may be expected. Permits easier movement maintenance personnel, tools and equipment from a full size stairway.

    Features and Benefits

    • Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size
    • Automatic hold-open arms lock the covers in the open position to ensure safe egress
    • Overlapping cover design, full welded corners on covers 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

    Specifications

    • Inside curb to curb measurement of 30″ x 54″
    • 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 cap flashing, 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: Enclosed two-point 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: 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.

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