4'0" x 4'0" Single Leaf Ladder Access Hatch - Galvanized Steel Cover and Curb

Specifications:

  • Material:
    • M:    14 gauge galvanized steel cover and curb
    • RB:    14 gauge galvanized steel cover and curb
    • RC:     .090 Aluminum cover and 14 gauge galvanized steel curb
    • RD:     .090 Aluminum cover and curb
  • Finish:
    • Galvanized Steel: Cool White Water Based Enamel Paint 
    • Aluminum: Mill Finish
  • Cover: covers open easily to 90 degrees 
    • M & RB:  14 gauge galvanized steel exterior with 22 gauge galvanized steel liner bonded to core of 1” rigid styrofoam insulation (M Style) or 1” fiberglass insulation (RB Style).
    • RC & RD:   Mill finish .090 aluminum exterior with .063 aluminum liner with 1” fiberglass insulation. (RD-1 uses 1” Styrofoam insulation)
  • Curb:
    • M, RB & RC: 14 gauge galvanized steel with a 12” high curb, integral counterflashing, 3-1/2” wide mounting flanges with pre-drilled holes and 1” exterior fiberboard insulation
    • RD: Mill finish.090 aluminum with a 12” high curb, integral counterflashing, 3-1/2” wide mounting flanges with pre-drilled holes and 1” exterior fiberboard insulation
  • Gasket: 
    • Extruded EPDM rubber gasket adhered to cover
  • Hinges: 
    • Steel Pintle Hinge
  • Lift Assist:
    • M: Cover operation is assisted Torsion Bar (M-7 comes standard with a torsion coil spring)
    • RB, RC & RD: Cover operation is assisted by enclosed heavy-duty Torsion Coil Spring
  • Latches:
    • Slam latch with interior and exterior handles and inside padlock hasp.
  • Hardware: 
    • All hardware is zinc plated (stainless steel hardware optional)
  • Load Capacity:
    • M & RD-1: 70 psf
    • RB, RC & RD-3x3: 40 psf
Product Spec Sheet:
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Material:
Galvanized Steel
Excellent Services
Milcor 40 x 40 Single Leaf Ladder Access Hatch - Galvanized Steel Cover and Curb
SKU # RB-4X4-48-48

4'0" x 4'0" Single Leaf Ladder Access Hatch - Galvanized Steel Cover and Curb - Milcor

CONTACT US AT 1-800-609-2917