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Old 09-19-2011, 12:52 AM   #1
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Cement floor on plywood


Our home is built on post and pillar and under the carpet has plywood. We really wanted our kitchen/dining room to have painted cement flooring though. Has anyone done this before or have thoughts on if it would be easy to almost putty on cement instead of pouring a whole slap of cement flooring down?
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Old 09-19-2011, 07:05 AM   #2
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Very little chance of success putting concrete on plywood. Any movement at all will cause cracking.
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Old 10-01-2011, 03:53 PM   #3
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There are several polymer modified concrete products that can be used for an application like this, but the process is pretty intricate, and you have to have a good understanding of your products and the structure to make sure it won't fail.

Typically, you would use a tar paper over your plywood, staple a metal lath to the framing and floor, apply a scratch coat and then top coat depending on the finish you are desiring. I wouldn't recommend painting concrete at all ever! At the least use a high quality concrete epoxy.

This is a stamped concrete floor that flushed up with the 1/2" engineered hardwoods in the hallway.
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Old 10-01-2011, 08:21 PM   #4
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Quote:
Originally Posted by SeattleSurfaces View Post
There are several polymer modified concrete products that can be used for an application like this, but the process is pretty intricate, and you have to have a good understanding of your products and the structure to make sure it won't fail.

Typically, you would use a tar paper over your plywood, staple a metal lath to the framing and floor, apply a scratch coat and then top coat depending on the finish you are desiring. I wouldn't recommend painting concrete at all ever! At the least use a high quality concrete epoxy.

This is a stamped concrete floor that flushed up with the 1/2" engineered hardwoods in the hallway.
I don't think that process is recommended by any reputable organization.
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Old 10-01-2011, 08:36 PM   #5
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I know several reputable organization that would say otherwise, but because you say so, I guess that makes it so, champ.
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