Subfloor For Bathroom Tile Floor

That usually means the underlayment and the subfloor also get wet.

Subfloor for bathroom tile floor.

For more information download our pdf about types of subfloors. Traditionally exterior grade plywood has been the subfloor material of choice for many bathroom flooring projects. Using the right type plywood ensures a long lasting floor. I am remodeling a 1953 original bathroom in a ranch home that is built on a pier and beam foundation.

Kitchen cabinets or bathroom fixtures above can also add to the dead load. The bathroom floor gets wet. Preparing your subfloor for tile in this video learn how to prepare a wood or concrete subfloor for tile including such steps as checking for dips installing backerboard applying primer and thinset pouring liquid underlayment and when to use osb or exterior grade plywood. The old floor is almost 1 3 4 inch thick.

While you can lay tile directly over a concrete slab using thin set adhesive don t make the mistake of applying tile directly to a plywood subfloor. This adds to the cost of the project but it s better to pay a little extra during installation than it is to tear up a failing tile floor that has. There is no subfloor. The plywood will expand and contract at a different rate as the tile causing cracks to develop in the grout lines or tiles over time.

For this reason ceramic and porcelain tile floors can be considered somewhat delicate despite the inherent strength of the material. Tile floors are especially heavy with layers of cement board mortar tile or stone and grout. Because of issues of moisture movement and adhesion ceramic tile will work well with certain types of subfloor underlayment systems and can go dramatically wrong with other subfloor materials. If your subfloor doesn t pass the flex test either because it s a bathroom floor and has sustained moisture damage or it s the wrong material you can and should replace the damaged section.

No matter how firm the subfloor. Preparation for installing floor tile depends on the type of subfloor in the room you are tiling. Tile floors are beautiful durable and a fairly diy friendly option but for tile s good looks to really last it s vital to start with what you can t see the ideal underlayment. It supports your decorative floor finish whether it s carpet hardwood vinyl laminate or tile.

I have a question. Plywood is made by gluing alternating layers of wood veneer. The floor must also handle the weight of the tub shower tiles and other fixtures. Cdx plywood in particular is used often because it has a high level of resistance to moisture and humidity.

A subfloor is the bottom most structural level of your floor.