Ditra Mat Does Concrete Have To Be Level

I have bump in the middle of the bathroom.

Ditra mat does concrete have to be level.

Ok they may be suggesting ditra due to the age of the new concrete but its more likely they are suggesting it as a decoupling membrane to stop cracks where the old screen meets the new screed. Any leveling of the subfloor must be done prior to the installation of the membrane. Joist spacing single layer osb or plywood subfloor d w19 t 20 ceramic or porcelain tile schluter set schluter all set schluter fast set or unmodified thin set mortar. Also i think i need to pull out vanity baseboards and toilet install ditra and then tile entire bath before reinstalling new toilet vanity and.

Or is priming of the concrete substrate unnecessary. Because the old screed isn t heated and because its older it will behave differently to the new screed. Wood floors interior ceramic or porcelain tile 5 19 2 488 mm o c. Don bell denver co.

Interestingly tile installers have been using sand for thousands of years as a non rigid layer of material between the substrate and the tile to prevent cracking. Thanks for the input kathy. Hi kate make sure to carefully review the article in the liberry about self leveling cements especially about cleaning preparing and priming the floor. Schluter ditra simply takes the functionality of a sand layer to the next level of performance by also providing a waterproof vapor barrier.

Hi i have a wooden sub floor in my 1 2 bath that appears to be level to the naked eye. About to tile a concrete floor in the basement of a home. I have talked to mapei and they told me that i shouldn t use self leveling because it will crack under ditra. Don t skip any steps.

Ditra matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. And both side i have 1 8 to 7 32 that i need to fill to make it level. Plan to use ditra mat which i ve laid several times before. So i could probably level it either way and then put the ditra over.

Do i need to use a leveling product before using ditra or will ditra take care of any minor inconsistencies. Because of this you may get cracks and the joints between the slabs. My only question is do i need to necessarily prime the concrete before then using thinset into which to embed the ditra mat. Concrete mortar screeds gypsum based screeds radiant heated screeds and masonry mixed substrates.