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.

Tile subfloor requirements.

Most commonly the maximum moisture condition is 3 0 pounds per 1 000 sq. 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. The subfloor must be able to hold the weight of the tile and preparation materials required to complete the installation. Natalia baran istock gettyimages how to fix a bad subfloor.

Most floor tile is adhered to the subfloor or underlayment with cement based thinset mortar. 6 mm in 3m and no more than 1 16 in. To test your subfloor for moisture you should always take a moisture reading. 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.

To determine the requirements for a tile subfloor i partnered with jim and rich from diamond tile located here in maryland. To comply with the warranties each manufacturer has a different set of specifications. 1 6 mm in 0 3 m from the required plane when measured from the high points in the surface. Regardless of the material it must be at least 1 inch thick.

Underlayment is the material placed on top of the subfloor that assists in the installation of the tile or other type of flooring. 0 38m the maximum allowable variation is no more than in.