Tile Subfloor Options

A plywood subfloor should be a minimum of 5 8 thick depending on joist spacing topped by 1 2 cement backer board.

Tile subfloor options.

Barricade is one such example. The following backer boards are commonly used for tile flooring in wet or dry areas over wood subfloors. For sheet rubber in rolls. If the structure is adequate the use of a cement based floor patch that allows for the needed height may be the best choice.

In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. Exterior grade plywood is the preferred subfloor under tile rather than osb since it deflects less and is more resistant to water and moisture. If you want a tile floor that isn t cold underfoot put down a basement subfloor before you install your tile. If you find hollows and valleys you must fill them with a self leveling underlayment.

Concrete backer board durock and wonderboard which is the standard material for tile underlayment. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. A successful tile installation project requires a level surface. Once properly in place and cured the tile can be installed.

A tapered piece of plywood may be difficult to fabricate and may not offer the support required for a good installation. For tiles and 1 5 sq. Rubber tile or rubber sheets 3 8 sq. Concrete backer board has a solid concrete core and both sides are faced with fiberglass.

Janseptember 22 2009 at 4 40 pm. The subfloor is the foundation beneath finish flooring materials. Check for dips in the floor by sliding a 4 foot to 6 foot straight edge in different directions all around the room. 2x2x1 125 inch tiles with osb wood on top and closed cell polystyrene insulation xps on the bottom.

Fill seams in the subfloor with caulk. Backer board this is the industry standard most preferred by construction pros when installing ceramic or porcelain. For ceramic tile the tile council recommends using joists that are 16 inches on center a 3 4 inch thick plywood subfloor and a 1 2 inch thick cement backer board or concrete slab. Underlayment for ceramic tile floors.

It is important to distinguish the components of a flooring system in order to understand the best installation.