Applying Cemenet Backer Board For Tile Floor
I know it seems like a smooth surface and it seems like it may fix some of the issues with the concrete floor but don t do it.
Applying cemenet backer board for tile floor. If you want to replace an old cracked tile floor or other type of flooring with new ceramic tile it s absolutely imperative that you create a solid. Now that everything is installed and we have those problem area i am wondering if i can screw through the 3 8 topping 1 2 cement board and into the 3 4 planks with 1 1 2 backer screws in the pattern we should have created with the backer grid every 6. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. Floor tiles should be installed over smooth flat surfaces.
Laying cement board is the easiest way to assure a solid durable base for a ceramic tile floor. Add more mortar as necessary to fill sunken areas in. To achieve the ideal flat surface most contractors rely on the backer board cement backer board is a thin layer of concrete designed to be setting surface upon which tile can be installed. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common.
The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. This is a distinct advantage over plywood and drywall. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.
If installing hardiebacker cement board over existing floor ensure the floor is flat. According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons. Spread the mortar to about 3 16 thickness. Lay the backer board according to the manufacturer s instructions.
Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking. If you have a concrete subfloor then you should not be contemplating installing cement board over it. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.
Installing cement board over a concrete subfloor. For best results remove existing floor covering especially if it is in poor condition. We show you how to install a first class tile base. First changes in humidity make solid wood shrink swell and cup more than plywood.