2 prepare a wood subfloor for tile.
Tile subfloor requirements.
The subfloor must be structurally sound as well as thick and stable enough to hold the weight of the tile without moving or flexing.
1 6 mm in 0 3 m from the required plane when measured from the high points in the surface.
The subfloor must be able to hold the weight of the tile and preparation materials required to complete the installation.
Today for tiles with all edges shorter than 15 in.
Most floor tile is adhered to the subfloor or underlayment with cement based thinset mortar.
Underlayment is the material placed on top of the subfloor that assists in the installation of the tile or other type of flooring.
6 mm in 3m and no more than 1 16 in.
Natalia baran istock gettyimages how to fix a bad subfloor.
To test your subfloor for moisture you should always take a moisture reading.
To comply with the warranties each manufacturer has a different set of specifications.
Most commonly the maximum moisture condition is 3 0 pounds per 1 000 sq.
Regardless of the material it must be at least 1 inch thick.
Per 24 hours when tested with the rubber manufacturers association test.
0 38m the maximum allowable variation is no more than in.