No need to waste all that sealer or create more problems if it doesn t work.
Stamped concrete sealer bubbles.
This typically happens to stamped concrete or smooth decorative concrete surfaces.
Sometimes reapplying the same sealer will fix the concrete blisters and bubbles again try this on a small area first.
You can learn more about sealing and repair of blisters and bubbles by calling the technical department of most any major sealer manufacturer.
If bubbles run deep then the sealer is usually on too thick and a solvent bath along with back rolling may be needed.
Use light colors for the slab.
Use chemmasters specially formulated bubble resistant products like polyseal ez and stamped decorative concrete.
Unfortunately when applied incorrectly or overapplied you may have issues with bubbles forming in the sealer.
Concrete sealer bubbles solvent based acrylic concrete sealers are designed to enhance darken and give a sheen to decorative concrete surfaces.
Usually late in the day is best.
If this does not work you will probably need to strip off some or all of the sealer.
When concrete is freshly poured it has a high water content mixing water.
After the concrete hardens this water escapes the concrete as a gas water vapor.
As a last resort the sealer can be removed using chemical strippers then scrubbing and washing the surface of the concrete.
Let the sealer sit overnight and dry properly.
Another option if blisters form while applying is to use a leaf blower.
How to fix bubbles in sealer if the temperature isn t too hot then apply a new coat of sealer to re liquify the existing sealer.
Sweep or blow off the dirt and grime wait until there is not any direct sunlight.
A xylene bath lightly soaking the problem area with a xylene solvent and back rolling is the first step.
Applying a solvent to reset the sealer and melt the bubbles.
For any exterior stamped concrete that will be sealed and especially pool decks i have a few hard fast recommendations.
Don t over apply sealer which may trap solvents and form bubbles.
If necessary apply two thin coats instead of one thick coat.
However if bubbles continue to form then try sealing during a cooler time of year.
As a last resort the surface can be stripped of all sealer cleaned and resealed.
Concrete sealer blisters and bubbles as well as concrete sealer whitening are caused by moisture.
Adhere to the manufacturer s.
