How To Install Hardie Board On Bathroom Floor

Prepare a solid squeak free subfloor one of the keys to a long lasting tile installation is the underlying subfloor.

How to install hardie board on bathroom floor.

Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. But they said the plywood was glued down to the subfloor and thought tearing it up would cause damage to the subfloor. It has to be rock solid before you lay the 1 2 in. Yes they were more expensive than regular screws but this ensures that it is all installed properly.

The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in. One package ran about 8 and for our small bathroom it was enough to attach the hardie board for the shower and the floor. Thanks for your help.

So instead they left the plywood. The plywood adds stiffness and stability to the floor. Install boards 1 4 in above floor tub or shower pan and caulk accordingly. With the plywood in place install the backer board as you normally would.

Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. I m really not sure what to do here. Hardiebacker is available in both 1 4 inch and 42 inch thick hardiebacker 500 versions and is designed to add mold and moisture resistance to tile installations. 5 steps to a sound ceramic floor.

They were supposed to rip out the plywood put down hardie board and then tile. This is a distinct advantage over plywood and drywall. I m concerned about ending up with a bathroom floor that s considerably higher than my wood floors. With the hardie board we also purchased the special hardie screws to go with it.

Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile. Keep fasteners 3 8 in from board edges and 2 in in from sheet corners. Now the layers of floor are subfloor plywood 1 4 hardie board porcelain tile. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.

Fasten cement board with specified nails or screws as listed in materials required a maximum of 8 in on center at all supports. Required tools for this project. The wood floor outside of the bathroom is only about 3 4 higher than the plank subfloor in the bathroom.