Crack Mitigation Membrane
Crack Mitigation Membrane
(OP)
Many use crack mitigation membrane between the bare slabs and the tiles. But if the floor deflect.. won't the tiles crack? I know the crack mitigation membrane is to avoid any cracks from the tiles from affecting the slab itself. But if the slabs themselves deflect, what prevents the tiles from deflecting and cracking? How do you usually put tiles? Thanks.






RE: Crack Mitigation Membrane
Concrete typically cracks due to shrinkage, so it's all about the slab trying to get smaller but being restrained by things. If the slab deflects vertically, then yes the membrane won't be any help at all. rip tiles.
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
If tiles, marble, terrazzo feel hollow or drummy, they are not adhered to the slab. You don't feel the hollow sound if the adhesive is intact. Drummy tiles are fairly common if control joints have not been placed close enough together, and the necessary spacing will vary with the interior climatic conditions.
RE: Crack Mitigation Membrane
How many years after fresh slabs placed that no shrinkage occurs anymore. For example. In old 5 years old building.. do you still need to put crack mitigation membrane if you have to start putting tiles on the slabs (where it has been bare for 5 years or just vinyl put with thin paste that would be removed)??
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
Drying shrinkage occurs over an indefinite period. As hokie66 notes, changes in interior environment conditions will change the conditions of shrinkage. Adding a crack mitigation membrane usually slows shrinkage because it keeps the slab from drying at a faster rate. Shrinkage still occurs, just at a slower rate. The crack mitigation membrane moderates the horizontal shear between the slab and the thinset. If you use a flexible tile adhesive, you won't need a mitigation membrane. Flexible tile adhesives are not usually used for floor slabs in the US, but are commonly used in other areas (don't you use flexible adhesives in your area hokie66?).
As for crack mitigation membranes to use, if it is only for crack mitigation you can use a roll-on product like RedGuard or Mapei. If you want to mitigate both sound and cracking, a sheet membrane like Profiles is used.
RE: Crack Mitigation Membrane
https://www.youtube.com/watch?v=3jvAV5TanIM
I can't find in any of the videos how to level the floor when installing laminated flooring. Can you put a thin bedding below laminated flooring? How? Thank you.
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane
but i'd like to know guys.. if client gave you to choose whether it's marble/terrazo or laminated floor or vinyl floor.. why would you choose
1. Marble/Terrazzo
2. Laminatd Floor
3. Vinyl Floor
Any specific purpose of each and advantages?
If the place would have gym equipments like barbells & weights.. which covering would be better (this of course assumes the slabs is designed for those loads.. I'm just asking the covering (marble tile, laminated for vinyl floor) aspect).. thank you.
RE: Crack Mitigation Membrane
RE: Crack Mitigation Membrane