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Cement patio- top layer flaking off

Posted by Concrete Creations (Lawson Edwards) on February 28th, 2001 01:25 PM
In reply to cement patio - top layer flaking off by Susan on February 28th, 2001 11:28 AM [Go to top of thread]

Alot of times when this happens it is caused by water penetrating the concrete and freezing then thawing.
As you know, water expands when it freezes. Therefore, as the water penetrates your concrete it is freezing and expanding poping the "finish" (top layer) off.
The patio was probably not troweled properly or frequently enough to seal the top ,so to speak. Sadly, the only way to fix this problem is to either tear it out and have it re-placed or have it resurfaced
with a polymer based cement mix. I hope this info helps. Good luck!

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