Using deicers on your concrete driveway in the winter can cause surface damage in the form of scaling and spalling by forcing the thawing and refreezing of moisture.
How to remove sealer from concrete driveway.
As an alternative use sand for traction.
If concrete was dyed or stained using xylene can damage or change the color of the concrete pressure wash the surface and allow concrete to completely dry.
Apply more chemical stripper and let it set longer if the sealer is not coming up easily.
This process can be dangerous if you are unfamiliar with it.
The easiest way to remove a concrete sealer is to begin by acid etching the surface of the concrete with muriatic acid.
The high pressure water can break the coating free from the concrete surface and the water will then wash the debris away.
Always follow the cleaner directions and wear the specified safety gear especially eye protection start by determining what kind of stains you have to find the best concrete cleaner for the job.
How to remove a solvent based concrete sealer.
This video will show how to remove sealer from a concrete driveway.
Over the years we do a lot of this and found this to be the most effective method.
You may have heard that it is possible to use muriatic acid to etch your concrete surface.
However it is well within the ability of any ordinary homeowner as long as the proper care is taken.
The other method to remove sealer from a concrete floor or patio or to remove concrete sealer of any type is chemically.
For best results work on stains while they re fresh.
Start by removing any visible peeling and flaking and use a solvent based stripper such as xylene to remove the previous sealer.
Sealers for concrete driveways may also fail in areas where deicing salts are applied or that receive drip off from parked cars.
Scrape the concrete surface using a paint scraper to remove both the chemical stripper and sealer.
Work in sections if the area is large.
Sealer removal methods there are two methods for removing sealers from concrete.
Thin layers of concrete sealer especially water based products can be stripped by using a pressure washer.
When you have stains on your concrete driveway it s typically best to treat them with the appropriate products before you apply the sealer.
You should see a rough looking concrete surface as the sealer is coming up.
Mechanical removal one method of sealer removal is to strip the product through a mechanical means.
Mechanical which consists of grinding blasting or sanding the coating off the surface chemical using a chemical stripper to remove the the coating.
This product and process is applicable to removing surface sealer or cure.