There are 34 item(s) tagged with the keyword "Concrete Questions".
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This issue of blotchy and inconsistent color and gloss created by a sealer is not that uncommon. There are multiple factors that can create this appearance, but the two most common are application — how the sealer was applied — and surface — what the sealer is being applied to in regard to density and porosity.
My contractor placed blue painter’s tape on the concrete for a few days to mark the placement of cabinetry. The tape was removed and the concrete was sealed with two coats of 25 percent solids acrylic sealer and two coats of acrylic finish. A few days later the concrete was discolored and had evidence of where the tape had been placed. No surface damage to the concrete was evident.
Is it possible to smell sealer months after application? Someone asked me this regarding a stained and sealed floor in a Colorado residence.
In a recent week, I’ve had two overlay projects with cracking. The first project had lots of short random cracks, the longest about 3 inches long. We noticed them the afternoon of the same day the overlay was applied.
Acid-stained concrete has been popular for decades. The process of acid staining is well documented, as are the key precautionary items to look for before and during application. When I first started troubleshooting decorative concrete problems around 2001, I got a lot of calls involving acid stains. oday, I might get these calls a few times a year. Thanks to real-world experience, continuing education and better specifications, issues with acid stains have been greatly reduced.
Whether you realize it or not, the decorative concrete industry is firmly involved in the green building movement. Manufacturers are developing more water-based stains, sealers and color systems. Installers are offering low-VOC options to clients.
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