Special Report
Concrete Protection and Decoration - A different slant on treatments for tilt-up

From JAC, October/November 2007

by Lorella Angelini, BASF Building Systems

High-build coatings can provide decorative and protective advantages in applications to tilt-up concrete wall panels. Unique performance properties of these materials are highlighted....
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Tagged categories: Acrylic; Color; Concrete; Crack bridging; Elastomeric coatings; High-build coatings; Permeability; Rain resistance; Texture; Tilt-up concrete

Comment from Bob Wargaski, (7/26/2012, 7:17 PM)

Interesting, but a lot more to the story that you glossed over.. Latex's over concrete? Not for the first coat, unless you treat the concrete first with a convertor etc. How do latex's bond over primary efflorescence, they don't. Latex elastomeric's will last maybe ten years before substantially loosing their elasticity. Methyl methacrylate have not been allowed into Illinois since about 1992, nor into California or most of the east coast states. I would choose a silicone elastomeric over an acrylic hands down, three times the perms and almost unlimited stretchability, and combine that over a silicone caulk at the precast joints, you have a minimum 20 year system. The cheap system would be minimum a solvent product first followed by a latex. Way more to the story.


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