Modified Or Unmodified Thinset For Wall Tile

Unmodified thinset is the winner for waterproof applications and most floor installations using waterproof underlayments.

Modified or unmodified thinset for wall tile.

With some uncoupling membranes you may actually need to use both types of thinset if you are going over a plywood substrate. When to use modified thinset. The membrane bonds to the plywood with latex modified thinset and then the tile beds to the membrane with dry set mortar different mortar on each side of the membrane. If you re planning to apply a prodeso installation membrane or a similar product before laying tile you ll need to go with the basic unmodified thinset.

In the case of modified thinset the percentage of the retention product added into the mix is also a telling factor for quality. Any thinset that does not contain these is an unmodified thinset. These grades or levels are dictated by the ratio of cement to sand used in the mix. The unmodified thinset works well with the membrane using its natural moisture to create interlocking bonds for security and durability.

For other projects modified thinset is usually the way. Any thinset that has either a powdered or liquid latex polymer added to it is considered a modified thinset. When it comes to modified or unmodified thinset there are different grades that you need to take into account. Is schluter allset the best thinset for large format tile.

If you re installing radiant floor heating or a similar type of flooring unmodified is probably your best bet. 15 11 2017 for example if you re wondering which thinset for shower walls are you supposed to use that list will help you narrow down the best thinset for shower walls.