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HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms.  It is resistant to moisture, giving superior performance along with a limited lifetime warranty.

Superior Underlayment

Install the most preferred brand of backer board for your next tile job.
3X Stronger
  • 90% Portland cement and sand 
  • No loose aggregate or filler
  • Highest flexural strength and up to 3x the compressive strength of competitive cement boards
Easy to Cut
  • Easy to cut to any size: just score and snap
  • Clean cuts allow edges to align tightly
  • Less dust and debris when cut
MoldBlock® technology
  • Unique cement formulation provides outstanding moisture resistance
  • Excellent tile adhesion to help protect tile work

Ease of Use and Performance

HardieBacker® cement board’s unique cement formulation and structure makes it the ideal combination of strength, uniform composition and performance that no other backerboard can provide.

Simple Score and Snap

Make 2-3 passes with a utility knife, place one hand and knee firmly along the score line, then use the opposite hand to pull the board up toward yourself

A Strong Foundation

The highest strength of competitive cement board for a more solid foundation for your tile

Less Mess

Less mess and cleanup than other cement boards


No abrasive debris to scratch floors

Less Dust

Less dust than competitive boards when cutting

Moisture Resistant

Outstanding moisture resistance

Ready to get started?

HardieBacker cement board is available at Lowes, Home Depot and specialty tile shops. Be sure to download installation, warranty information and more below.