They are designed to allow moisture vapor to pass through them.
Stamped concrete sealer peeling.
If the concrete it too wet flaking occurs because the sealant cannot bond properly to the surface.
Masonrysaver decorative concrete sealer is a non yellowing acrylic polymer blend sealer formulated for use on properly cured stamped concrete surfaces.
The driveway is wet to the point where there is a small puddle in this area.
When a concrete sealer flakes it is usually because of one of the following reasons.
There is a large area that never dries out and appears to be condensing moisture in the air.
Stamped concrete sealer application once the surface has completely dried start applying the sealer evenly on the surface.
Concrete surface peeling problem.
Starting with a clean dry slab apply the product to the concrete in a single uniform application saturating the surface.
The sealer is bubbling up flaking and peeling in the wet area.
If a thin layer of the surface of the concrete slab is peeling it can be a result of two common installation errors.
A combination of spraying and rolling is being used to seal a stamped concrete driveway.
The concrete was not dry enough when the sealer was applied.
Concrete sealer is a lot like car wax many people go without and then regret it when the paint peels.
Avoid puddling of the sealer.
Most sealers used for exterior stamped concrete are solvent or water based acrylic sealers.
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.
Masonrysaver decorative concrete sealer dust proofs concrete with a durable acrylic blend resin.
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.
Underneath the flakes of sealer the concrete looks wet.
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.
Back brush any areas that start to pond or puddle up.
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.
Next remove the tape and assess the results per atsm d3359 guidelines.
Thick coats of sealer or a buildup of coats applied over the years will cause moisture to become entrapped under the sealer and in time.
The second cause of sealer blushing is over application.
