Tuesday, August 16, 2011

Preparing the Shower for Tile

The workers framed our new jack-n-jill bathroom and added the walls and pocket doors.  We chose pocket doors because the bedrooms upstairs are fairly small, and we didn't want to waste space with doors that swing open.  The shower base was installed before the walls.  The plumber roughed in the plumbing and the workers were told to use cement board on the walls where we would be installing tile. 

New pocket door in the Jack-n-Jill bath.

We got the tile and mortar, and we were ready to begin preparations to install the tile.  Upon inspection of the walls, we realized that they were not stable.  If we pressed on the joints where the cement board pieces met, they would bend and move easily.  We could not lay tile on walls that are not stable and bend because our tile would crack and eventually fall off.  Tile must be laid on a stable surface.

We took off the cement board and realized that there was no support structure underneath to which the cement board could be attached to.  The workers only attached the cement board on the edges. 

The cement board was only attached on the side; this made the pieces unstable in the middle.
 We built a support structure around the plumbing, so that we could properly attach the cement board in a way that it would not move.

Added supports to nail down plywood.

Plywood added for stability and a place to which we can screw the cement board.
We added a vapor barrier under the cement board to protect the walls from any water that may leak from the shower.

Vapor barrier was installed below the cement board.
We attached the cement board to the wall, and created a stable surface for the tile.  We even measured and strategically attached the cement pieces board, so that all joints would be spanned by the tile.

Shower walls are ready for tile.

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