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1/2" x 3-1/2" Gray Expansion Board

Mfg#: 104HB12312
Product#: 104HB12312
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Homex Expansion Board, 0.5 in Thick, 10 ft Length, 3.5 in Slab Width, Gray


  • Cleaner than asphalt
  • Will not split when nailed
  • No asbestos
  • Easy to install cleanly without misalignment
  • Compatible with polymerized sealants
  • Lightweight, non-bituminous and pre-formed, retains resiliency at any temperature, protected against termites, rot and fungi


  • Color: Gray
  • Thickness: .5 in
  • Slab Width: 3-1/2 in
  • Length: 10 ft