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