I am installing a random bluestone floor on a hydronically heated suspended concrete slab. To prevent shrinkage cracks from translating to the stone flooring, I will be installing an anti-fracture membrane. A search of the internet turns up dozens of products proclaiming their superiority. I’m looking for some real world advice on which products perform best, as well as relevant installation tips. Thank you in advance for your considered responses.
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I don't know that one's significantly better than the next. Just be damn careful not to let it touch itself on the glue side, because it's almost impossible to pull apart and make smooth. Plan ahead extremely carefully for removing the backing.
Ditra is an excellent membrane. Ask some of the folks here about it, or about others that you may be interested in:
http://johnbridge.com/vbulletin/forumdisplay.php?s=&forumid=4
Billy