Cement Board Drywall

Remodeling a bathroom often requires cement backer board be installed as a substrate for tile or another wall covering in a tub surround or other area that is exposed to large amounts of moisture.

Cement board drywall. Cement boards are made up of cement and glass fibers. It provides a strong base on which to install tile and stone. Permabase 0 438 in x 36 in x 60 in plus cement backer board. Cement board cement board also comes in panels but that s where its similarity to drywall ends.

Paperless drywall has been replacing paper drywall. This type of drywall is covered with fiberglass instead of paper which protects the gypsum board from rot and offers even greater resistance to mold and mildew. These are available in 4 8 foot and 3 5 foot sheets that are either 1 2 inch or 1 4 inch thick. 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.

In high moisture shower areas such as shower enclosures use cement backer board. Greenboards or blueboards on the other hand are types of drywall. Fire resistant drywall boards are crafted with glass fibers in an extra thick design that makes them ideal for use in utility rooms garages and areas near a furnace or wood stove. It is made of cement water silica limestone flour and fibers such as kevlar or fiberglass for increased strength.

Cement board is a very hard panel formed by cement slurry and reinforced fiberglass mesh. Essentially drywall is gypsum pressed between two sheets of paper. The joint between cement board and greenboard is. Cement backer board is a mineral based pre fabricated wall unit usually 1 4 inch or 1 2 inch thick and 3 feet by 5 feet long.