Cement Board Vs Drywall For Tile

Green board drywall is water resistant not waterproof.

Cement board vs drywall for tile.

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. 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. Then the cement board is installed on top of the plastic sheeting. I d like to get as close as possible to matching the height of the existing tile.

Cement boards are made up of cement and glass fibers. 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. With consistent exposure to moisture drywall can become rotted and need to be replaced sooner rather than later. Cement board is a very hard panel formed by cement slurry and reinforced fiberglass mesh.

This product resists direct moisture making it a top choice for installation in areas of high humidity. Thick 3 x 5 ft. On top of the 2 6 will be 3 4 subfloor thinset cement board redgard thinset tile. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

Essentially drywall is gypsum pressed between two sheets of paper. Greenboards or blueboards on the other hand are types of drywall. At some point along the wall the cement backer board will meet with the drywall used in the rest of the room. It was developed to replace lath and plaster construction.

Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Screws secure the cement board to the wall studs. If i thinset the cement board down using a 1 4 x 1 4 trowel and screw it every 8 will the thinset end up being 1 8 thick. Rotted drywall can also lead to a buildup of mold and mildew which is what leads to dirty tiles.

It gets its name from the telltale color of the paper facing on the front and back. It provides a strong base on which to install tile and stone. 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. 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.

Tile is laid onto the cement board with thinset mortar or mastic. Cement board also comes in panels but that s where its similarity to drywall ends. These are available in 4 8 foot and 3 5 foot sheets that are either 1 2 inch or 1 4 inch thick.