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Backing board is a material used in construction to provide a substrate for tile, stone, and other materials. Concrete backing board is the most popular type, while green board is limited to wall applications. Both types are installed using corrosion-resistant screws and jointing compound.
Backing board, or backing board, is a type of material commonly used in the construction industry. Backing board provides a substrate for installing tile, stone and other materials on walls and floors. There are various types of backing board materials manufactured to meet the specifications of different applications.
Traditionally, when installing tile, tilers install lathe flush and use the grout to float areas to provide a substrate for tile, stone, and other materials to adhere to. This was a long and laborious process. The backing board simplifies this process because the sheets are cut to size and then installed using applicable corrosion resistant screws to secure them to the studs. This not only reduces the time required to install a suitable substrate, but also reduces the overall cost of the project.
The most popular type of backing board is called a concrete backing board. This water and mildew resistant material has a life span of 50 years. Concrete backerboard is produced by compressing sheets of concrete pressed between two sheets of fiberglass. The slabs are produced in various lengths, widths and thicknesses. The concrete backing cardboard sheets are cut by scoring the surface with a utility knife and snapping it along the score line.
Another type of support panel is the green panel. This water-resistant material was once a popular substrate for surrounding bathtubs and showers, but it didn’t hold up well in high-humidity areas. It’s now limited to areas outside the tub, such as bathroom walls, backsplashes, and porch ceilings. A form of drywall, the green board cuts easily by notching it with a utility knife and then snapping it along the scored line.
The concrete backing is suitable for wall and floor applications. The green board is limited for use on wall applications only. Both types of backerboard material install using corrosion-resistant screws that secure the backboard to wall studs or the floor. After installation, the joints between the sheets are taped using an applicable jointing compound and tape material suitable for the intended application. This not only provides a smooth area between the sheets but prevents moisture from entering the wall cavity through the seams.
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