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Ladder Access

Ladder Access

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 padlock hasps.
  • Hardware: 
    • All hardware is zinc plated (stainless steel hardware optional)
  • Load Capacity:
    • M & RD-1: 70 psf
    • RB, RC & RD-3x3: 40 psf

Standard Sizes and Model Number

Model Materials Dimensions Lbs Submittal Data Installation Instructions Specs LEED
M-3x3 Galvanized Steel Cover and Curb 3' 0" x 3' 0" 254
M-7 Galvanized Steel Cover and Curb 4' 0" x 4' 0" 365
RB-1 Galvanized Steel Cover and Curb 3' 0" x 2' 6" 205
RB-4x4 Galvanized Steel Cover and Curb 4' 0" x 4' 0" 365
RC-1 Aluminum Cover, Galvanized Curb 3' 0" x 2' 6" 160
RD-1 Aluminum Cover and Curb 3' 0" x 2' 6" 125
RD-3x3 Aluminum Cover and Curb 3' 0" x 3' 0" 155
RD-4X4 Aluminum Cover and Curb 4' 0" x 4' 0" 200