Greenboard is a term that s occasionally used for a type of drywall that is used for walls in damp but not wet zones in a building.
Wall tile over greenboard.
Spread a inch layer of the tile mortar over the entire greenboard piece.
Home improvement can be messy business.
Draw a level horizontal line along the bottom of the greenboard wall with your pencil and level.
Lumps and bumps lead to misaligned tiles.
Tile is laid onto the cement board with thinset mortar or mastic.
Start installing the tile while this coat is still wet.
This surface will be the foundation which holds your beautiful backsplash together over the years and a crumbling foundation will shorten the lifespan.
Greenboard drywall definition.
For example if the tiles are 4 inches tall then the line should be 4 1 4 inches off the floor.
Greenboard is a kind of water resistant drywall.
The thinnest of all the options quarter inch drywall is most commonly used as a skimming material.
One word of caution though.
The top objective is to create a smooth and uniform surface on the drywall for the tile to be evenly placed.
It also makes an ideal choice for walls with a subtle curve to them because the thin design makes it easier to manipulate the material.
Mount it over an existing layer of wall to refresh the look and hide old blemishes.
Use the flat edge of a notched trowel to create a flat coat.
Make the line as far from the floor as the height of a tile plus 1 4 inch.
However it is not a good substrate for tile because it s softer and more flexible than regular drywall.
Then the cement board is installed on top of the plastic sheeting.
Water is the bane of drywall s existence as it turns drywall into a gooey mass that falls apart if sufficient water is present.
Screws secure the cement board to the wall studs.
The reality of tile installation is that tiles contain cement which naturally breathes in and out and contains and expels moisture over the course of its life.
Originally greenboard was used as a direct backer board for ceramic tile in highly wet areas such as showers or bathtubs but this usage began to be phased out in the 1990s.
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.