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Dow 1/4" Protection Board 200 sq ft

Brand: Dow Mfg#: PB4 45/PLT
Product#: 635180574
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DOW™ Protection Board III is an extruded polystyrene foam insulation with plastic film on one side. Designed for use in commercial foundation waterproofing applications, DOW Protection Board III helps protect the waterproofing membrane from damage during backfill. It is recommended for perimeter concrete and masonry walls where waterproofing protection is the primary requirement.


  • Brand: Dow
  • Specific Gravity: 0.07
  • Thickness: 0.25 in
  • Color: Typically Green/Blue-Green
  • Material: Extruded Polystyrene Foam Core
  • Coverage Area: 200 sq-ft
  • Water Absorption: 0.6 %
  • Length: 50 ft
  • Width: 4 ft
  • Special Features: With Tough Plastic Capsheets