Durock® Cement Board – External Cement Board

Durock® Cement Board is moisture and mold resistant making it the perfect choice for tile and flooring in baths, kitchens, laundry rooms and external wall.

Durock® Brand Cement Board's lightweight feature  allows it to be carried and installed easily.


Features and Benefits

  • Applicable for external application
  • Approved for use in Prefabricated Bathroom Units (PBU)
  • Lightweight
  • Water-durable, mold-resistant substrate for high-moisture areas
  • Will not rot, warp or delaminate
  • Easy to cut and fasten
  • Non-Combustible
  • Environmentally Friendly 


Physical Properties
  • Thickness:  9.5mm (⅜"), 12.7mm (½"), 15.8mm (⅝")
  • Length: 4 'x  8' or 4 'x  9' or  4'x 10'
  • Edge: Tapered Edge
  • Tested to: BS 476 Part 4 and BS 5234 Part 2
  • Exterior and Interior Walls & Ceilings
  • Underlayment for tile on floors in new construction and remodeling
  • Tile base for tub and shower areas