One of the things i use leftover ditra for is to keep the floor warmer than the slab preventing reducing eliminating convection of cold from the slab and it works.
What is ditra matting used for.
Use one 50 lb.
Imo the uncoupling itself doesn t lend to any for of efficient heat exchange transfer.
Ditra matting is a polyethylene membrane with an anchoring fleece laminated to its underside.
22 68 kg bag of mortar per 150 ft 2 10 7 m 2.
Each one provides the four essentials that ditra is designed to deliver.
In general we don t recommend the use of modified thin set mortar to set tile over the membranes because these mortars must air dry to cure properly.
Ditra matting and tile help the unmodified thin set retain more of its moisture as it cures and this creates a stronger bond than modified thin set can achieve.
The matting has a grid structure of square cavities which are each cut back in a dovetail configuration.
Uncoupling waterproofing vapor management and support to ensure a long lasting installation.
22 68 kg bag of mortar per 100 ft 2 9 3 m 2.
Ditra matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles.
It d be interesting to see some data on this actual data.
The distinguishing feature of ditra is the existence of free space created by the configured channels on the underside of the matting.
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.
Since ditra is impervious it does not deprive the mortar of its moisture.
This allows the cement to properly hydrate resulting in a strong dense bond coat.
The free space provides an escape route for excess moisture and vapor that could otherwise cause damage to the tile layer above.
Ditra matting can be used on a wide range of surfaces including.
The price difference between the two products.
Concrete mortar screeds gypsum based screeds radiant heated screeds and masonry mixed substrates.
Use one 50 lb.
Thus ditra effectively manages moisture beneath the tile covering.
But if it prevents your floor from failing after a few years then it s probably worth it.
Floor warming ditra heat combines the flexibility of loose heating cables with the ease of installation of mat systems.
A word about ditra thickness.
To bond ditra xl to the substrate using the ditra xl trowel.
Ditra membrane is available in two thicknesses 1 8 and 5 16.