Cementboard installed over beefed up framing will not sag.
When installing ceramic tile on ceiling.
The preferred method for installing glue up ceiling panels is to apply the adhesive directly to the back of the panels.
Sometimes even the ideal smooth surface will require a staple for extra support.
Use a foam brush or putty knife to spread adhesive on the back of your tiles.
When installing tile on the ceiling you want to install the tile on the shower walls all the way up to the last row before the ceiling as i ve done in these photos.
Apply cement or adhesive to your tiles.
12 x 12 ceiling tiles country classic planks to install mineral fiber tiles directly to existing drywall or plaster ceilings with adhesive use a recommended tile adhesive such as henry 237 acoustigum acoustical ceiling tile adhesive.
When cutting the tiles make sure you work on a flat surface and that the tile is face up.
Follow the adhesive manufacturer s instructions for application and usage.
Spread adhesive to the four corners of the ceiling tile about 1 inch 2 54 cm from the edges and to the center of the tile.
I trowel spread the thinset on the back of the tile so it completely covers the backside.
When installing tile overhead make sure the substrate is solid and stiff and that it provides a good bond.
Check package instructions to determine the correct adhesive or cement for your tile material.
Dab adhesive in all 4 corners of each tile dab 1 in the middle.
Then use use a notched trowel 1 4 x 1 4 x 3 4 and spread the adhesive evenly on the panel.
If you are lining up your grout lines rather than installing them diagonally you can then draw lines on your ceiling as guides to where your tiles should be.
Put the tile into place so that the flange is exposed and you can align the tongue in grooves.
Hammer shims under the brace until it is firmly wedged between the ceiling and the floor.