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Bilco NB-50T Type NB Enhanced Performance Roof Hatch - Ship Stair Access - 30" x 54" - Aluminum Cover and Curb

Bilco NB-50T

Bilco NB-50T Type NB Enhanced Performance Roof Hatch - Ship Stair Access - 30" x 54" - Aluminum Cover and Curb

Manufacturer: Bilco
Price: $2,346.94
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Standard - ships in 10-15 business days.
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Type NB Enhanced Performance Roof Hatch - Ship Stair Access - 30" x 54" - Aluminum Cover and Curb

    Standard Features and Benefits:
    • The new thermally enhanced roof hatch line features special gasketing and increased insulation for superior thermal performance. Enhanced performance roof hatches will improve the energy efficiency of your building and are ideal for GREEN building applications. Available in all standard roof hatch sizes.
    • Energy efficiency exceeds standard hatches by more than 48%
    • Meets LEED® standards for recycled content
    • High solar reflective index (SRI)
    • Ozone-friendly polyisocyanurate insulation
    • Special EPDM gasketing with enhanced weather-resistance
    • Mill-finish aluminum construction
    • 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

    Guide Specifications:
    • Material: Cover and frame are 11 gauge (2.3 mm) aluminum.
    • Cover: Brakeformed, hollow-metal design with 2" (50 mm) concealed polyisocyanurate insulation (R Value of 12), 4" (100 mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195kg/m2) live load.
    • Curb: 12" (305 mm) in height with integral capflashing, 2" (50 mm) polyisocyanurate insulation (R Value of 12), fully welded at corners, and 4-1/2" (114 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 aluminum.
    • 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.

Questions and Answers
Q: Need two 16 SF area roof hatches. Had specified NB-50 hatches, but thay are not large enough to meet 16 SF area. For a four story hotel in Elizabethtown, Kentucky
A: Would the Bilco F-50T Type F Enhanced Performance Roof Hatch - Equipment Access - 48" x 48" - Aluminum Cover and Curb as seen here:

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