Sub-Guard Waterproofing Tile Backer – 1/2″ x 36″ x 60″

Original price was: $29.99.Current price is: $24.99.


Sub-Guard is a lightweight, high-density tile backer board that installs quickly and easily over wood stud framework or existing drywall. The 100% waterproof XPS (extruded polystyrene) is resistant to vapor pressure and inhibits mold formation.

  • The XPS core is sandwiched between densely woven mesh and layers of cementitious coating, suitable for installation on walls, counters, and benches.
  • Perfect for tub surrounds and walk-in showers.
  • Excellent support for large-format tiles.
  • Non-deteriorating/non-rotting
  • Highly durable and flame retardant.


  • waterproof board
  • available in 3’x5’x1/2″
  • for wall and floor
  • washers and screws sold separately


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