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Price: $610.00
    Item #BILCO-S-20
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    Type S roof hatch, 36" x 30" (914mm x 762mm),the easy one-hand operation to the fully open or close position provides the ladder user the security of having one hand firmly on the ladder at all times. Fully gasketed and insulated construction for weather resistance. Available in galvanized steel or aluminum construction.

    Features and Benefits

    • Miami-Dade County and Florida Building Commission approval for use in high velocity hurricane zones with large and small missile impact
    • 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-tight 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


  • Material:
    Steel: Cover and frame are 14 gauge (2 mm) G-90 paint bond galvanized steel.
    Aluminum: Cover and frame are 11 gauge (2.3 mm) aluminum.
  • Cover: Breakformed, 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:
    Steel: Alkyd base red oxide primer.
    Aluminum: Mill Finish.
  • Hardware:
    Steel: Engineered composite compression spring tubes. Steel compression springs with electrocoated acrylic finish. All other hardware is zinc plated/chromate sealed.
    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.
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