Solvent based Acrylic Concrete Sealers are designed to enhance, darken, and give a sheen to decorative concrete surfaces. Unfortunately when applied incorrectly or over applied you may have issues with “bubbles” forming in the sealer. This typically happens to Stamped Concrete or smooth decorative concrete surfaces.
When a solvent-based acrylic sealer is applied, some of the sealer penetrates into the porous concrete. If the application is too thick, or if too many coatings are applied, the solvent is not able to evaporate before the sealer dries. When that happens, the solvent gets trapped and eventually creates enough pressure that it forces its way out, creating the bubbles.
Tips For Applying a Solvent Acrylic Sealer:
So what to do if you get the sealer “bubbles? Here are some steps to take to try and remedy the situation.
Note: The bubbles may still come back. In many cases, the above steps will fix the issue. If this does not fix the bubbles from reforming, you will need to strip off all of the sealer and start over.
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