Cement Board Is A Popular Building Material Used Under Tile Installed On Walls, Floors, And Countertops
Cement Board |
Cement Board
is a type
of wall or floor sheathing that's made from Portland cement, aggregate, and
fiberglass mesh. It's designed to withstand moisture, but it's also easy to
install. It's used for interior and exterior applications, especially showers
and tub surrounds. Cement board is a common building material that's often used
under tile installed on floors, walls, and countertops. It's slightly more
expensive than drywall but it's worth it to avoid cracked tiles and a messy job
in the future. They're ideal for truly
wet locations, including shower surrounds and areas where a Portland
cement-based thin-set mortar is applied to bond tile or stone surfaces.
The Cement
Board panels can also
be waterproofed by the application of a liquid or membrane-based sealant. It is
highly water resistant and dries quickly after exposure to moisture. This means
it can withstand showers and other moisture-related activities without
degrading, which is important for areas where the tile will be installed.
The material consists of unbleached
cellulose fibers that are re-pulped in water, refined, and mixed with cement,
silica, and other additives to form sheets. The resulting sheets are then
pressed onto a wiring substrate and cured to create cement boards. In addition
to being water resistant, it is also fire retardant. This helps protect against
structural damage from a fire, which is especially critical for bathrooms and
other rooms where the tile will be installed. A more traditional approach to
tiling involves using expanded metal lath, which comes in sheets. Installers
fasten it to the wall before applying mortar. This allows the cement scratch
coat to remain in place and reduces the risk of future issues.
Besides the cost savings, it's also a
greener option for remodelers and homeowners alike because there's no need to
mix the mortar on-site. It's also a more efficient and reliable way to lay tile
because it eliminates the need for a mud-set base that can be difficult to
re-set.
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