Ry9g8V5C-1qXijM-zt-H_DZpCpc=/960x0/filters:no_upscale()/new-floor-installation-185270632-582b722c3df78c6f6af0a8ab.jpg' alt='How To Install Durock On Subfloor Thickness Under Tile' title='How To Install Durock On Subfloor Thickness Under Tile' />How To Install Durock On Subfloor Thickness PlywoodHOMETIME HOW TO, Ceramic Tile. A strong underlayment is the most important part of the tile installation. There are several options for achieving a sturdy floor underlayment. To tile over an existing floor, it must be flat, solid, and well bonded to the sub floor. The floor and subfloor should be at least 1 18 thick for good support. If your existing flooring is cushioned vinyl or linoleum, you can either remove it or cover it with a proper underlayment. You can install tile over tile as long as its level and in good condition. Tile Subfloor, Thickness, Deflection Installing Electric Radiant Heat Pouring Self Leveling Mortar Leveling Flattening the Subfloor Installing Cement Board CBU. Hometime explains the different underlayments used with ceramic tile including concrete backerboard aka WonderBoard and Durock and fiber cement aka Hardieboard. You may have to roughen the surface of tile if its too glossy. If you have more than one layer of flooring, or if its damaged beyond repair, it must be removed and another underlayment installed. WARNING Some older resilient flooring may contain asbestos fibers. Do not try to remove or sand this type of flooring without having a trained asbestos inspector determine if asbestos is present. How To Install Durock On Subfloor Thickness For TileResilient flooring with asbestos can be covered safely with plywood, or removed by a professional contractor. Backerboard. For do it yourselfers concrete backerboard Durock and Wonder. Board are two common brands is one of the standard materials for floor tile underlayment. Concrete backerboard has a solid concrete core and is faced on both sides with fiberglass. It cant be damaged by water, which makes it ideal for bathroom and kitchen installations. There are also variations made out of fiber cement Hardie. How to Build a Shower 20 How To Build a Shower Framing and Plumbing. This is the first of three articles in our Building a Shower series How To Build a Shower. Wonderboard is the brand name for a cement backer board for wet applications, mostly under tiling. Is it any good James Hardie HardieBacker Cement Backerboard prevents mold and moisture damage in wet areas. Easy to install with EZ Grid recessed fastener pattern. Price 11. 98httpscabindiy. IDSERP,5192. 1How to Build a Shower Shower Pan Installation Cabin DIYHow to build a shower pan yourself. Mainconcept H 264 Encoder V1 0 on this page. Shower pan installation instructions for building a custom shower pan. Backer and Fiberock and specially finished water resistant gypsum Dens. Shield. Cutting backerboard is a lot like cutting drywall, except that backerboard is much harder. Using a framing square, score your cut line a few times. You can use a regular utility knife for this, but youll go through a lot of blades. A special carbide blade cutter works better. TIP If youre using a utility knife, shorten the blade to keep it from breaking easily. Break the board by applying pressure until it snaps apart along the score line. Youll probably have to cut through the fiberglass on the back also. Backerboard is installed over a wood subfloor using the same type of thinset mortar See Choosing Mortar that you use to set tiles. Use the flat side of a notched trowel to spread the thinset out where the sheet of backerboard will be set. Then use the notched side of the trowel to comb out the adhesive. Secure the sheets with galvanized nails or specialty backerboard screws about every 8 inches. Stagger the joints of the backerboard so they dont line up with one another or fall directly over the joints of the subfloor. Leave about 18 space between the sheets of backerboard. Fill these gaps with thinset mortar using a taping knife. Embed fiberglass joint tape into the mortar to cover the seams, then cover that with more adhesive. Mortar Bed Professional tile contractors often put down what they call a mortar, or mud bed. It consists of a layer of roofing felt, then a wire mesh, then mortar. Professionals swear that a mortar bed is by far the best underlayment for floor tile, but it takes a lot of skill to finish it off level and at just the right thickness. We always recommend that do it yourselfers stick with a backerboard underlayment. Concrete Slab. A stable concrete slab is a great underlayment for tile. Check to be sure an existing concrete floor is flat. Move a straightedge over the surface and mark high and low spots. Low spots can be filled in with a leveling compound and high spots can be ground down with a rubbing stone or grinder.