Light Weight Hardy Board Under Ceramic Floor Tile

The standard size sheet is 3 x 5 ft.

Light weight hardy board under ceramic floor tile.

And is available at most full service lumberyards and building supply centers. Thick weighs 45 to 60 lbs. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. Will soften if water seeps through joints or gets behind the waterproof surface.

Can t support all types of floor tile see product specification sheet. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. Fiberglass mats irritate bare skin. This is the industry standard most preferred by construction pros when installing ceramic or porcelain tile backer board comes in four foot by eight foot and three foot by five.

Hardiebacker comes in both 3 x 5 and 4 x 8 sizes. Easier to cut and fasten than cement board. Even the slightest amount of movement in a building structure can telegraph to the tile and crack it. This is a distinct advantage over plywood and drywall.

But unless you are installing as a team you will find the large size too heavy to handle on your own. Thick cement board spans studs spaced 16 in. Unlike pure cement board the fiber is almost invisibly integrated into the board making for cleaner cuts. Cement board technically called cementitious backer unit cbu is manufactured under different brand names.

The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.