Tile Subfloor Options

In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.
Tile subfloor options. The following backer boards are commonly used for tile flooring in wet or dry areas over wood subfloors. Exterior grade plywood is the preferred subfloor under tile rather than osb since it deflects less and is more resistant to water and moisture. Underlayment for ceramic tile floors. 2x2x1 125 inch tiles with osb wood on top and closed cell polystyrene insulation xps on the bottom.
A plywood subfloor should be a minimum of 5 8 thick depending on joist spacing topped by 1 2 cement backer board. Once properly in place and cured the tile can be installed. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Concrete backer board has a solid concrete core and both sides are faced with fiberglass.
Rubber tile or rubber sheets 3 8 sq. Fill seams in the subfloor with caulk. 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. Barricade is one such example.
Trowel able and pourable underlayment a number of trowel able and pourable tile underlayment options are available. If the structure is adequate the use of a cement based floor patch that allows for the needed height may be the best choice. If you want a tile floor that isn t cold underfoot put down a basement subfloor before you install your tile. A successful tile installation project requires a level surface.
A tapered piece of plywood may be difficult to fabricate and may not offer the support required for a good installation. The subfloor is the foundation beneath finish flooring materials. Backer board this is the industry standard most preferred by construction pros when installing ceramic or porcelain. Check for dips in the floor by sliding a 4 foot to 6 foot straight edge in different directions all around the room.
For tiles and 1 5 sq. You ve probably seen this resilient flooring in health clubs and gyms. Janseptember 22 2009 at 4 40 pm. 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.