How to tell if I have gypcrete?


Old 11-04-13, 12:11 PM
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How to tell if I have gypcrete?

Hello everyone!

I own a condo in Seattle, WA and I want to rip up some old linoleum and put down tile. I'm concerned though that my subfloor might be gypcrete. How can I tell?

When I replaced the carpet in the bedroom I noticed several cracks, so I've been researching ways to deal with it. In case I'm not able to do tile, does anyone have a good recommendation for a nice looking floor that is not carpet, hardwood or linoleum?

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Old 11-04-13, 03:21 PM
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Gypcrete is much softer than concrete. It scratches easily.
Old 11-04-13, 03:23 PM
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Gypcrete , well named , will be soft. You'll be able to scratch (gouge) it with your fingernail. Being its cracked, it sure acts like it, they use it for sound deadening. You can tile over it, but will have to use a crack isolation membrane over it. Just for the record, no flooring manufacturer will guarantee anything over it, tho some of the isolation membrane manufacturers might.

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