Removing sealer from concrete

The process of removing ol worn or failing sealers or coatings from concrete ranks among one of the most miserable jobs a concrete professional may have to undertake. Removing driveway sealer from a concrete surface is not an easy task. Driveway sealer is designed to protect your driveway from the elements including weather and most chemicals. You may be wanting to remove the sealer because it is flaking in spots, holes are developing close to the edge of your. But when a contractor is hired to renovate a dingy-looking slab of concrete , removing sealer is often part of the job.

Sealers can be removed with mechanical means such as sandblasting or grinding. But for many contractors, it’s a last resort. It destroys the original surface, exposes the aggregate and is a mess to clean up. Using our sealers or any other sealer on new construction prior to the pool being filled and the chemical process being started will work in most cases, but the real problems occur when re-applying sealers or making repairs to the pool deck because of contamination of the chemicals outlined above. The acid etching process will remove the old concrete sealer completely from the concrete slab.

In its place will stand a fresh slab of concrete ready for a new application of concrete sealer. Once the concrete has been acid etche you need to let the slab dry completely before applying the new sealer. Removing concrete sealers can be a difficult task when done improperly or without the right materials. This process of replacing ol damage or failing sealers from concrete is many times necessary when restoring old or damaged surface substrates.

NEW FOR REMOVING CONCRETE SEALERS : Deco-Strip from Nox Crete is a biodegradable concrete coating stripper designed to remove ol worn out acrylic sealers and coatings from decorative concrete. When removing sealers and coatings from stamped concrete , the two most important factors to consider are removing all the sealer and not changing the color or profile of the concrete surface during the process. The Behr 1-Gallon Concrete and Masonry Paint Stripper helps remove multiple layers of paint, stain, epoxies and sealers from concrete and masonry surfaces. This remover has a quick and easy water cleanup. Over time the sealer wears thin or other surface coatings may be more appropriate for the type of use and wear by the homeowner.

How can I remove a water base sealer from stamped concrete to replace with a solvent based sealer ? You can try a product from Blue Bear. Here is the information from their product data sheet. Seal the concrete once it dries. One effective way to remove rust from concrete is.

Learn how the various types of chemical strippers work, how to choose the best one for your needs, and what safety precautions to take when using them. How to Remove Concrete Sealers. Your not going to remove the sealer without damaging the concrete. A sealer penetrates in deep to seal so good luck. You might use a 0- 0psi pressure washer with a abrasive injection adaptor to try to abrasive blast it but your going to abrade the concrete.

Typically a removal will include a lot of elbow grease, solvent fumes, lots and lots of scrapping and much aggravation. Removing sealers can be one of the most daunting experiences for the contractor. I want to remove old sealer from my stamped embossed concrete patio.

The patio is years old and has been sealed several times. Now the sealer has turned white. I have tried paint thinner, acetone to no avail. The sealer is Dustone Clear Lacquer Sealer. On a single oil spot, I really grind it into the concrete with the heel of my boot.

So, you really need to scrub it hard on the stains. This is a lot of work, but it does remove the stain. I actually have done this with oil stains, and with sealcoat sealer. Of coures, there are different kinds of sealers , but I think it will work for you.

There are two methods for removing sealers from concrete : Mechanical, which consists of grinding, blasting or sanding the coating off the surface, or Chemical, using a chemical stripper to remove the the coating. To remove concrete sealer using aci etch the concrete surface with muriatic acid. After applying the aci scrub the concrete sealer until all the concrete is gone. Apply concrete sealer to the area with the stain finally removed.

When acids are use they tend to completely strip the concrete and make it more porous, thereby weakening its structure. Most concrete contractors have no interest in even entertaining the idea of getting involved in the concrete sealer removal process , utilizing stripping agents for concrete. While you can use a grinder or scraper to remove a layer of old sealant mechanically, chemical concrete strippers are easier to manage. If you have a pressure washer, another option is to use a sandblast kit to sandblast the concrete and remove the sealant. For simplicity, the word coatings will be used to refer to products that build up thickness on the surface of concrete.

Fill Your Cart With Color today!