Ditra Uneven Floor

Tile installers usually use cementboard as a tile underlayment over a standard plywood subfloor but as home flooring pros advises there are situations for which an uncoupling membrane is a better choice.

Ditra uneven floor.

Floor joists are 1 75 x 9 16 oc longest support span is about 12 feet. Ditra xl is 5 16 7 mm thick to create an even transition between typical 5 16 7 mm thick tile and 3 4 19 mm thick hardwood flooring. Megabond from lowes or kerabond are good un modified thin sets. I plan to use the thinner ditra uncoupling membrane.

The subfloor is 3 4 x 7 tongue and groove plank with some knots set on the diagonal. Un modified under and over the ditra. A seasoned floor that never sees moisture you could skip the ditra. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.

There are various types of tile underlayment but all serve to smooth out uneven spots in a subfloor and create an unbending layer that prevents the floor from flexing underfoot. Can schluter ditra and schluter ditra xl be installed over vinyl flooring. Yes schluter ditra or ditra xl can be installed over vinyl. Some limitations include the following.

Ditra is good for new concrete. It s completely waterproof and it allows the subfloor and tile layer to move independently. First time floor diy i would like to install porcelain stone or thin brick on my 1955 kitchen and hall floor. The garage floor was very uneven so i tiled it because most of the big project was problem to work on this uneven floor when it comes welding and all.

Cushioned vinyl is unacceptable. The subfloor must be free of moisture damage including rot and sponginess and must be securely fastened to the joists and squeak free don t lay tiles on a concrete slab with cracks that appear to be spreading or irregularities that prevent you from leveling it.