Today for tiles with all edges shorter than 15 in.
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.
To determine the requirements for a tile subfloor i partnered with jim and rich from diamond tile located here in maryland.
Regardless of the material it must be at least 1 inch thick.
To test your subfloor for moisture you should always take a moisture reading.
The subfloor must be able to hold the weight of the tile and preparation materials required to complete the installation.
Per 24 hours when tested with the rubber manufacturers association test.
6 mm in 3m and no more than 1 16 in.
2 prepare a wood subfloor for tile.
To comply with the warranties each manufacturer has a different set of specifications.
The substrate for tiles shorter than 15 inches must be so flat that it varies no more than 1 16 inch per foot according to the ceramic tile education foundation.
0 38m the maximum allowable variation is no more than in.
Underlayment is the material placed on top of the subfloor that assists in the installation of the tile or other type of flooring.
Most floor tile is adhered to the subfloor or underlayment with cement based thinset mortar.