What Cement Backer Board Is and How to Use It. Cement board is one of those neat home remodeling inventions of the 2. Why is cement board so great for some remodel projects Where and how do you install itWhat Is It Cement board is now commonly called a cementious backer unit CBU,  CBUs are 1. Cement Board vs. Drywall. To understand cement backer board, you should first look at its cousin drywall. For years, interior walls were finished with lath wood strips and plaster laid over the studs. How To Install Ceramic Tile Part 1 Subfloor Prep Cement Board Installation. ProSpec The Professionally Specified Brand ProSpec is the professionally specified brand of Tile and Stone Installation Systems, Floor Preparation Systems and. Installing plywood underlayment for vinyl flooring. We use a hand brush with stiff bristles around the entire perimeter to rake debris from under the drywall that. Plasterers used hundreds of pounds of plaster, trowel by laborious trowel. Then someone got the brilliant idea of pressing all of that plaster, plus the structural qualities of the lath, ahead of time in a factory in the form of sheets of drywall. This is the basic idea behind cement backer board. Instead of laying beds of mortar on the job site, or using inferior backing boards such as greenboard, you can simply screw in these pre formed and already set sheets of concrete board. Hometime explains the different underlayments used with ceramic tile including concrete backerboard aka WonderBoard and Durock and fiber cement aka Hardieboard. DuPont Tyvek DrainWrap is a moisture barrier that combines the unique properties of Tyvek with a special surface design for enhanced drainage. Installing Cement Board Underlayment' title='Installing Cement Board Underlayment' />Pretty neat. Applications. The great value of cement board does not rot, warp, grow mold, or deteriorate when subjected to water. Installing Cement Board Underlayment' title='Installing Cement Board Underlayment' />026 Euroblock Multi. Solventfree damp proof membrane for suppressing residual construction moisture in sandcement screeds. Solventfree, easy application. Underlayment. it may not be sexy, but it is essential Learn about all the different types of underlay with price and installation info. MAPEI is worldwide leader in products for building industry, adhesive, sealants and chemical products for construction. UpCodes offers a consolidated resource of construction and building code grouped by jurisdiction. Designer Tile Friendly. Travertine. Mosaic. Bs Standard Pdf. Glass. Triton Watertight System preserves the beauty of tiled walls and floors. Wood obviously is not a great material to use in wet applications, and even green board, a more hardy type of drywall, is not recommended for places with constant water usage, such as showers. Cement backer board is mainly used as a sub surface for tiling. Cement board on concrete as a sub floor is usually not recommended or needed. Manufactured veneer stone is another use for cement board, though not a common one. Veneer stone cannot be applied directly to drywall or other materials that will draw in moisture from the mortar. Not only that, drywall is not a strong enough material to support veneer stones considerable weight. One solution is to nail cement board CBUs over the drywall, tape the seams, and then grout over the cement board. Manufacturers. There are three main cement board products available to the home remodel DIYer. All are found at major home improvement stores at 14 and 12 thicknesses. They can be nailed or screwed into studs or into cinderblock, brick mortar, or concrete. All can be easily cut with a hand saw, circular saw, jigsaw, or multi tool. Durock Brand Cement Board. Made by USG, Durock vies with Hardie. Backer as being a favored cement board for tile workers and tradespeople. Durock tends to be slightly lighter than similarly sized Hardie. Backer. Hardie. Backer. Made by James Hardie Industries. Hardie. Backer is 9. Portland cement and sand, with a patented Mold. Block additive. Wonder. Board and Easy. Board. Made by Custom Building Products, Wonder. Board is markedly different from Durock and Hardie. Backer in that it has a looser, more crumbly composition. How to Install. If you have any obstructions to work around, before laying down the boards you can easily but messily cut the cement board with a Skil. Saw with a carbide blade. First, you apply thinset mortar on the surface, and comb it out with your trowel. Keep the cement boards about 14 apart. After pressing the boards into the mortar, screw them in with screws made especially for cement board installation. Just as you would with drywall, make sure the screwheads are slightly depressed below the cement board surface. Cover and mortar the seams with fiberglass seam tape. Please see our complete cement backer board installation guide. Can You Tile Directly on Drywall In the Shower One common question that homeowners have is whether they should install tile directly to drywall greenboard, or cement board when tiling a shower. In the past, tiling guides recommended installing the surrounding tile directly to drywall,Tile, with its seams and numerous avenues for moisture infiltration, can eventually lead to the drywall being soaked. Once the drywall is soaked, the studs begin to dampen. Mold, mildew, and rot result. In short, tile and grout are not inherently waterproof. Opt for a more effective method of backing your showertub tile.