Membrane vs backer

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Old 10-11-19, 06:40 AM
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Membrane vs backer

Is it ok to put tile membrane everywhere that tile will go or is it cheaper to put a mix? Membrane in shower area only and then tile backer everywhere else?
 
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Old 10-11-19, 07:44 AM
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Tile backer like Hardie Backer and membrane are two different things. Backer is a material suitable for adhering tile. Membrane is a waterproofing membrane. They do different jobs are aren't really interchangeable. But to confuse things some backers are waterproof or highly water resistant and might be used without a membrane.
 
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Old 10-11-19, 07:58 AM
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I've seen Schluter membrane that you just put thinset and tile directly on.
It's fairly pricey so my question was more how do you put both next to each other if only doing parts.
 
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Old 10-11-19, 01:51 PM
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Schluter makes different types of membranes for different uses. Kerdi is a waterproofing system that you would use in your shower but would not use on the floors or walls outside the shower. Ditra is an uncoupling membrane that you would use on your floor outside the shower instead of cement board. Ditra can also be waterproof if you use KerdiBand over the seams where the edges of Ditra meet.
 
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