Boral® Ply 40

Boral® Ply 40 is an SBS modified fiberglass reinforced underlayment/base sheet for tile, shingle or shake. SBS modified asphalt minimizes wrinkling & buckling associated with non-modified membranes.

Durable Protection – All Seasons, Easy Installation

Specifications

  • Roll Size: 39 3/8” x 65’ 10” (216 sq ft)
  • Roll Weight: 81 lbs (nominal)
  • Coverage: Net 2 Squares
  • Thickness: 60 mils (nominal)
  • Rolls per pallet: 24 Rolls
  • Pallet weight: 1,995 lbs (nominal)

Part Numbers

  • 92499 - 2 Square Roll
  • 92498 - Drop Ship: 576 Rolls/Truck

Handling and Storage

  • Rolls are to be stored in standing position only
  • Store in clean, dry, cool area
  • Do not store directly in sunlight without proper protection
  • Protect membranes from exposure to rain, snow or ice
  • Boral® Ply 40 may be stored 2 pallets high provided a slip sheet of 3/8” minimum thickness of plywood is provided between pallets

Steep Roof Application

  • Secure underlayment with 1” head nails
  • Staples shall NOT be used for fastening

Certifications - Approvals

  • ASTM-D4601, D6757 Meets physical requirements of ASTM-D226, D4869