Essentially drywall is gypsum pressed between two sheets of paper.
Cement board drywall.
Cement boards are made up of cement and glass fibers.
Permabase 0 438 in x 36 in x 60 in plus cement backer board.
It provides a strong base on which to install tile and stone.
Cement board cement board also comes in panels but that s where its similarity to drywall ends.
Greenboards or blueboards on the other hand are types of drywall.
The joint between cement board and greenboard is.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
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.
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.
Cement board is a very hard panel formed by cement slurry and reinforced fiberglass mesh.
In high moisture shower areas such as shower enclosures use cement backer board.
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.
Paperless drywall has been replacing paper drywall.
Cement board is a product made to withstand continuous contact with water and is suitable as a backerboard for tile in showers and tub surrounds.
The quality of the board is a little tougher than regular drywall but some construction pros find it easier to cut.
These are available in 4 8 foot and 3 5 foot sheets that are either 1 2 inch or 1 4 inch thick.