A. Preparation of Existing Concrete Surface
Curing agents, sealers, paints, coatings, waxes o water repellents must be removed prior to the concrete acid stain application. Curing agents are products that are sprayed on the concrete after it is poured to help hold in moisture during the curing process. te may not be aware that they are there.
An easy test to find out if they are there o if there is any kind of sealer on the concrete is to pour a small glass of water onto the concrete surface and spread it around so that it coverage approximately 1-2 sq. ft. . Let the water sit for about 5...
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