How To Remove A Water Based Concrete Sealer

Removing a physical sealer, whether the sealer is old, worn, faded or y'all just dont similar how it looks, is i of the most tedious tasks! Nosotros walk you through the process stride by step and brand it every bit piece of cake and pain gratis as possible.

In social club to accurately remove a physical sealer you first need to determine the type of sealer that was initially applied. If you already know you can skip this step.

How to determine if concrete was sealed with a water-based concrete sealer or a solvent-based concrete sealer:

Pour a modest amount of Xylene on an area that is still coated past the previous concrete sealer.
Allow the Xylene to sit for 20 seconds. Remove any excess.
Bear on the expanse and if it is tacky or sticky the surface was sealed with a solvent-based sealer.
If the concrete is non tacky or viscid the concrete was sealed with a h2o based sealer.

How to remove a solvent-based physical sealer:

Start by removing whatever visible peeling and flaking and apply a solvent based stripper such as Xylene to remove the previous sealer. (If physical was dyed or stained, using Xylene can damage or change the color of the concrete.)

Pressure level wash the surface and allow concrete to completely dry.

Instead of removing a previous solvent-based acrylic sealer try resealing it! Yous can apply a solvent-based acrylic sealer directly to the physical without needing to remove the onetime sealer. Starting time try and remove any visible peeling and flaking and and then reseal according to the instructions.

How to remove a h2o-based concrete sealer:

Apply a product such as Aqua Mix's Sealer and Coating Remover.
Y'all can as well try acid carving the physical (followed by neutralizing)
Y'all tin mechanically scarify the concrete to remove the previous sealer.

Instead of removing a water-based physical sealer by chemically stripping or carving endeavour pressure washing it! This method works best if the previous concrete sealer is old, faded and about worn away.

By and large speaking, in nearly cases, a new solvent-based physical sealer can be practical to a surface previously sealed with a solvent-based concrete sealer; however, it cannot be applied over a surface previously sealed with a water-based concrete sealer. If you previously practical a water-based concrete sealer and are now looking to seal with a solvent-based concrete sealer y'all need to remove the water-based concrete sealer since the solvents will swallow or soften the existing water-based concrete sealer, destroying both coatings. Water-based concrete sealers can be removed through chemical etching, aggressive pressure level washing or mechanical scarification.

If you previously practical a solvent-based acrylic concrete sealer and are now looking to seal with a h2o-based acrylic sealer yous demand to remove the solvent-based acrylic sealer concrete since the water-based physical sealer will be unable to properly attach to the solvent-based concrete sealer. Kickoff by removing any visible peeling and flaking and use a solvent-based stripper such as Xylene to remove the previous sealer.

It is essential to remove a previous concrete sealer before sealing with a new physical sealer in order to give the new concrete sealer excellent bond, adhesion and penetration depth.

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Published Wednesday 13th of July 2022 // Updated Tuesday 8th of June 2021