Tile Subfloor Requirements

The subfloor must be able to hold the weight of the tile and preparation materials required to complete the installation.

Tile subfloor requirements.

Most floor tile is adhered to the subfloor or underlayment with cement based thinset mortar. Regardless of the material it must be at least 1 inch thick. Most commonly the maximum moisture condition is 3 0 pounds per 1 000 sq. The subfloor must be structurally sound as well as thick and stable enough to hold the weight of the tile without moving or flexing.

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. Underlayment is the material placed on top of the subfloor that assists in the installation of the tile or other type of flooring. 1 6 mm in 0 3 m from the required plane when measured from the high points in the surface. The difficulty is that tile can be installed over a number of substrates and each requires specific preparations to ensure a long lasting tile floor.

6 mm in 3m and no more than 1 16 in. Per 24 hours when tested with the rubber manufacturers association test. 0 38m the maximum allowable variation is no more than in. To determine the requirements for a tile subfloor i partnered with jim and rich from diamond tile located here in maryland.

2 prepare a wood subfloor for tile. To comply with the warranties each manufacturer has a different set of specifications.