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1/2" X 8" X 5' Fiber Expansion Board

Mfg#: 199EB128005
Product#: 199EB128005
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From airport runways to interstate highways, from parking garages to driveways, fiber expansion board prevents damage to concrete caused by expansion. It is proprietary wood fiber blend of treated wood fibers and additives which yields flexible, easy -to-handle boards.


  • Provides neat, finished joint appearance while requiring no trimming
  • Asphalt-saturated fiber expansion board
  • Non-extruding offers a minimum 70% recovery after compression
  • Should be installed 1/2 in below concrete surface and sealed with a suitable sealant such as 3405 hot applied joint sealant or compatible caulk is positioned against concrete forms, at interrupting objects or columns and against abutting structures prior to the installation of concrete
  • Easy to cut easy to use
  • Provides the ideal product for the majority of all expansion/contraction joint requirements
  • This versatile product has many uses mainly used as expansion joint material between slabs comes 10 pieces to a bundle
  • A tough yet lightweight, easy-to-use, semi-rigid and pliable joint filler fabricated to your needs


  • Type: Multi-Purpose
  • Standards: ASTM D1751
  • Recovery: 70%
  • Compression Strength: 85 - 445 psi
  • Density: 19 - 21 lb/cu-ft
  • Water Absorption: 5 - 8%
  • Slab Width: 8 ft
  • Thickness: .5 in
  • Length: 5 ft
  • Special Features: Sold/Foot
  • Usage: For Highways, Streets, Airport Runways, Sidewalks, Driveways, Flatwork, and Scores of Commercial and Industrial Applications Subject to Pedestrian and Vehicular Traffic