Stamped Concrete Sealer Peeling

There is a large area that never dries out and appears to be condensing moisture in the air.

Stamped concrete sealer peeling.

The sealer is bubbling up flaking and peeling in the wet area. They are designed to allow moisture vapor to pass through them. The driveway is wet to the point where there is a small puddle in this area. Masonrysaver decorative concrete sealer dust proofs concrete with a durable acrylic blend resin.

After making the cross hatch incision apply pressure sensitive tape or clear plastic packing tape over it and then rub over the tape until it is well adhered to the sealer or coating. The no gloss penetrating silane siloxane type of sealer should be applied to concrete that has been cured at least two weeks and that has no other curing compounds or sealers applied. Stamped concrete sealer application once the surface has completely dried start applying the sealer evenly on the surface. Avoid puddling of the sealer.

Starting with a clean dry slab apply the product to the concrete in a single uniform application saturating the surface. The second cause of sealer blushing is over application. A combination of spraying and rolling is being used to seal a stamped concrete driveway. Back brush any areas that start to pond or puddle up.

Masonrysaver decorative concrete sealer is a non yellowing acrylic polymer blend sealer formulated for use on properly cured stamped concrete surfaces. Depending on the product and the type of finish you want a second coat may be necessary. Concrete surface peeling problem. The concrete was not dry enough when the sealer was applied.

If you apply them too thick moisture will get trapped on the surface of the concrete and under the layer of sealer causing blushing or whitish looking sealer. Sealer may not seem necessary at first but after a few years of exposure to weather and use concrete can become discolored stained or even flaky. Underneath the flakes of sealer the concrete looks wet. Next remove the tape and assess the results per atsm d3359 guidelines.

If the concrete it too wet flaking occurs because the sealant cannot bond properly to the surface. The concrete stain was not neutralized in advance. When a concrete sealer flakes it is usually because of one of the following reasons. Most sealers used for exterior stamped concrete are solvent or water based acrylic sealers.

1 when the concrete sets faster than the finisher can complete his job additional water is added to the surface to extend the working time.