Expansion Board

Plastic Expansion Board

Westec’s Plastic expansion board offers numerous advantages over conventional expansion board materials such as asphalt impregnated fiberboard, treated pine or redwood.

  • Excellent compression and recovery properties
  • Will not rot or deteriorate
  • Tough and durable; will not break with normal handling
  • Lightweight, easy to handle
  • Resistant to a wide variety of chemicals and solvents
  • Can be cut with conventional tools
  • Will not split or crack; can be fastened to stakes with screws or ring shank nails
  • Excellent for use with Westec’s EB Cap Seal and Speed Dowel joint system

The board is available in 3/4" width for 6" and 8" paving and 1/2" width for variable depths (4' x 10' sheets).

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