Ditra can be installed over a variety of subfloors including concrete plywood osb and radiant heated floors.
What is ditra tile underlayment.
Ditra matting is a polyethylene membrane with an anchoring fleece laminated to its underside.
The matting has a grid structure of square cavities which are each cut back in a.
The free space provides an escape route for excess moisture and vapor that could otherwise cause damage to the tile layer above.
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.
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.
Thus ditra effectively manages moisture beneath the tile covering.
The price difference between the two products.
It provides uncoupling to prevent cracked tile and grout.
The distinguishing feature of ditra is the existence of free space created by the configured channels on the underside of the 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.
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.
Osb plywood and framing members should be covered with a material such as ditra underlayment because wood is very susceptible to changes.
Also the use of a quality non modified with a high portland cement ratio is recommended.
What is ditra matting.
Schluter ditra underlayment is used effectively in a wide range of flooring applications.
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.
It is made of polyethylene creating a waterproofing layer protecting the substrate.
But if it prevents your floor from failing after a few years then it s probably worth it.
Ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors.
It provides uncoupling to prevent cracked tile and grout.
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.
Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c.
