Greenboards or blueboards on the other hand are types of drywall.
Tile on drywall vs cement board.
Cement board is a very hard panel formed by cement slurry and reinforced fiberglass mesh.
Wet or dry such backer board provides a stable base for tiling.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
Cement board is perfect for tile covered wet applications like showers and tub surrounds.
I d like to get as close as possible to matching the height of the existing tile.
The core of the green board drywall is a thicker and more resilient version of the drywall s gypsum core which allows it to withstand indirect moisture applications such as the humidity in a bathroom or near a laundry room.
A lot of people do it in different ways.
Essentially drywall is gypsum pressed between two sheets of paper.
Green board drywall is water resistant not waterproof.
Then the cement board is installed on top of the plastic sheeting.
Cement boards are made up of cement and glass fibers.
Thick 3 x 5 ft.
Cement board also comes in panels but that s where its similarity to drywall ends.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.
It was developed to replace lath and plaster construction.
This video transition between cement board and drywall joint or how to tap drywall and cement board joint or tapping cement board and sheetrock shows the tra.
On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile.
It s typically available in 1 2 in.
These are available in 4 8 foot and 3 5 foot sheets that are either 1 2 inch or 1 4 inch thick.
Tile is laid onto the cement board with thinset mortar or mastic.
It gets its name from the telltale color of the paper facing on the front and back.
Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
It provides a strong base on which to install tile and stone.
I like to use a cement backer only because you re dealing with perhaps some moisture situation that you could be getting and you don t want a lot of water to get kicked up back there to get sucked through the grout and then go right to the drywall.
This joint needs to be flush and smooth in order for the tile or other wall covering to be installed correctly and to create a professional finished appearance.
In this highly convenient inexpensive and popular application a moisture barrier of 4 or 6 mil thick plastic is installed directly over the wall studs.
Screws secure the cement board to the wall studs.
This product resists direct moisture making it a top choice for installation in areas of high humidity.