What Is Ditra Tile Underlayment

The free space provides an escape route for excess moisture and vapor that could otherwise cause damage to the tile layer above.

What is ditra tile underlayment.

A test performed by the tca showed that using non modified thinset to mount porcelain tile to ditra achieved an average shear bond strength of 190 psi over the minimum spec of ansi 118 4 i make sure porcelain tile is back buttered before setting over ditra. 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. Thus ditra effectively manages moisture beneath the tile covering. Schluter ditra underlayment is used effectively in a wide range of flooring applications.

Here s an overview of the locations where you can take advantage of the performance ditra offers. Ditra matting is a polyethylene membrane with an anchoring fleece laminated to its underside. Osb plywood and framing members should be covered with a material such as ditra underlayment because wood is very susceptible to changes. Schluter ditra underlayment is an uncoupling membrane that allows the tile floor to move in plane relative to the substrate eliminating the major causes for cracked and delaminated tile.

It provides uncoupling to prevent cracked tile and grout. The price difference between the two products. Schlüter ditra matting is one of the most popular types of under tile decoupling systems in the uk and in this blog post we will take a look at some of the benefits of using ditra matting. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.

What is ditra matting. Ditra is composed of a polyethylene plastic grid of square cavities each with angled dovetail cut backs and an anchoring mesh laminated to the backside. There was an alternative product mentioned in the forum thread called protegga which looks to be a slightly less expensive copy of the ditra you can read john bridge s comments about ditra knockoffs on his tile forum. But if it prevents your floor from failing after a few years then it s probably worth it.

The matting has a grid structure of square cavities which are each cut back in a. The distinguishing feature of ditra is the existence of free space created by the configured channels on the underside of the matting. Ditra is a polyethylene uncoupling underlayment with a grid ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors. Ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors.

It provides uncoupling to prevent cracked tile and grout. Also the use of a quality non modified with a high portland cement ratio is recommended.