Using Concrete Adhesive.

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  #1  
Old 06-09-15, 07:51 PM
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Using Concrete Adhesive.

I have a outdoor patio, 10 by 12. It was painted 5 years ago. Now I want to cover it with concrete block, 15.6/15.6/1.7 using a polyurethane construction adhesive. I want to avoid having to remove the paint. Can I apply the adhesive over the paint or will that result in a weak seal?
 
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Old 06-10-15, 12:44 AM
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IF, and this is a pretty big IF, the paint is secure to the concrete then you won't have to remove it. Myself, I would use a power wire wheel to remove the paint right down to fresh concrete where the adhesive will go.
 
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Old 06-10-15, 03:37 AM
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IMO the best way to remove the paint is to brush on a paint and varnish remover, let it work and then pressure wash.
 
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Old 06-10-15, 04:53 AM
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if you install edge restraint, all you have to do is fill the joints w/polymeric sand,,, gravity will keep the blocks down or so it seems to me,,, i wouldn't even use the pl if it were mine
 
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