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Unread 10-10-2019, 01:13 PM   #16
speed51133
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My take is that uncoupling is not regulated or standardized. Crack isolation is regulated and standardized.

tile also bonds to crack isolation (or can) and the crack isolation bonds to the substrate.

Uncoupling does NOT bond the tile to substrate.

also, crack isolation can be locally applied to the crack area. uncoupling is throughout the tile installation.

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Unread 10-10-2019, 03:59 PM   #17
John Bridge
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I'm with Dan (Metropolitan Ceramics). An unbonded/floating mud bed is about the only chance for success, and it's chancy to say the least. There used to be a product called Span-crete that I'm familiar with. I think it's the same thing we're talking about.
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Unread 10-10-2019, 07:44 PM   #18
cx
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Quote:
Originally Posted by Mike
My take is that uncoupling is not regulated or standardized.
No idea what you might mean by regulated, Mike, but not being standardized is the problem with the uncoupling membranes and what the industry has been working for years to correct. The use of such membranes is listed as an accepted method in the TCNA Handbook while there is no standard or testing for such products, which violates the TCNA's own standards. It's an unhealthy situation for the industry and really needs to be corrected.
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Unread 10-11-2019, 10:23 AM   #19
speed51133
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You know exactly what it means. Why do you get so hung up with semantics all the time?


reg·u·late

verb
past tense: regulated; past participle: regulated
control or supervise (something, especially a company or business activity) by means of rules and regulations.

"the organization that regulates fishing in the region"

Standards, like ANSI, are used to REGULATE conformance and activity, often by local government building codes.
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Unread 10-11-2019, 10:54 AM   #20
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Why? Because it's important, Mike. There is no "regulation" involved in what we're discussing.

Anyone can manufacture a product and call it an uncoupling membrane. What it will or will not do is purely a matter of advertising because there is also no industry "standard" of any kind for the product to meet.
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Unread 10-11-2019, 02:03 PM   #21
Dave Gobis
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No standard, no expectation of performance other than as advertised.
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