| 9.29.10. |
Wall Tile Finish |
| 9.29.10.1. |
Tile Application
- Ceramic tile shall be set in a mortar base or applied with an adhesive.
- Plastic tile shall be applied with an adhesive.
|
| 9.29.10.2. |
Mortar Base
- When ceramic tile is applied to a mortar base the cementitious material shall consist of one part Portland cement to not more than one-quarter part lime by volume.
- The cementitious material described in Sentence (1) shall be mixed with not less than 3 nor more than 5 parts of aggregate per part of cementitious material by volume.
- Mortar shall be applied over metal lath or masonry.
- Ceramic tile applied to a mortar base shall be thoroughly soaked and pressed into place forcing the mortar into the joints while the tile is wet.
|
| 9.29.10.3. |
Adhesives
- Adhesives to attach ceramic and plastic tile shall be applied to the finish coat or brown coat of plaster that has been steel-trowelled to an even surface or to gypsum board or to masonry provided the masonry has an even surface.
|
| 9.29.10.4. |
Moisture-Resistant Backing
- Ceramic and plastic tile installed on walls around bathtubs or showers shall be applied over moisture-resistant backing.
|
| 9.29.10.5. |
Joints between Tiles and Bathtub
- The joints between wall tiles and a bathtub shall be suitably caulked with material conforming to CAN/CGSB-19.22-M, "Mildew-Resistant Sealing Compound for Tubs and Tiles."
|