cement waterproofing?

Old 11-07-11, 04:53 PM
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Question cement waterproofing?

I have an old porch that is made of wood. It has been covered over by concrete. What is the best waterproofing I can use on the concrete to prevent the wood underneath from rotting? I live in the NY metro area.
Old 11-08-11, 04:22 AM
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Welcome to the forums Lawrence!

How thick is the concrete? how is it supported?

I don't know that there is any coating that will do a lot to protect the wood under the concrete. Concrete holds moisture and that will have a detrimental effect on the wood. Was the concrete poured directly over the wood? Is there any ventilation under the porch?

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