Minimum Plywood Thickness For Tile Floor

Floor istallation requires that the total thickness of the substrate must be minimum of 1 prior to setting tile as per the tcna tile council of north america.
Minimum plywood thickness for tile floor. In some cases the floor covering is isolated. The thickness of plywood panels in a subfloor is regulated by the. If your plywood subfloor is too thin it might not cope with the load and it might creak or squeak when you walk on it. This durable and long lasting flooring choice requires little maintenance and heartily withstands nov 10 2013 sub floor thickness for tile subflooring should be a minimum of 1 and more if possible.
It comes in to thickness and it is used as an underlayment for wall tile. For work you will need materials. When choosing tiles take into account the color scheme of the interior. The finished floor is then installed on top of the subfloor.
To finish the tiles in the bathroom it is recommended to use epoxy compounds. The builder hired used 3 4 osb for the flooring while the tile contractor used a 1 4 cbu under the tile thus achieving 1 in total depth. The subfloor is the decking installed on top of flooring joists. The bare minimum recommended by most tile setters is a total subfloor thickness of 1 1 8 inch.
In addition the plywood must be treated with an antiseptic. Laying tile to veneer plywood risks loosening and unbonding the veneer creating an unstable base for the tile. Adding inch plywood to 5 8 ply will give you a combined nominal thickness of 7 8 inch. If you are removing particle board then using the same size plywood will bring you back to the right height that you had before.
I built a home about 7 years ago that is having all kinds of problems with the tile flooring cracked tile displaced grout creaky flooring 1 2 deflection in some areas. The national wood flooring association recommends a minimum plywood panel thickness of 7 8 inch for joist spans of 19 2 to 24 inches and a minimum plywood panel thickness of 5 8 inch for joist spans of 16 inches or less. The plywood must be exterior grade for all wet areas and it has to be installed in such a way that the joints between each layer do not line up using what is known as a stagger pattern to keep the pieces from ever lining up. Most prefer a minimum thickness of at least 1 1 4 inch such a inch t g subfloor with inch plywood underlayment.