Application of an oil based floor finish is applied to a bare unetched uncured concrete floor.
Paint peeling off concrete floor.
When oil resins contained in the floor coating come in contact with the alkaline concrete surface they combine react with one another and form a soap film between the concrete surface and the oil coating.
Aged concrete floor which may crumble and take the paint film with it.
Before diamond grinding the concrete has been finished off with.
Treated or sealed concrete.
Water may seep under the paint film in many ways including.
A sealed concrete floor.
How to remove old peeling paint from a concrete porch.
When you set out to remove paint from concrete.
Peeling paint results when a wet surface swells causing the paint film to loosen crack and fall off.
Sealants curing agents concrete hardeners and other treatments to the concrete will interfere with the bonding of the epoxy.
I have a concrete porch that s been painted several times.
First remove peeling paint as much as possible next using a pressure washer clean the concrete well.
Any previous coatings should be ground off using a diamond grinder.
Next use an oil based concrete primer and apply 2 3 coats letting dry in between coats for bonding purposes once dried completely apply 2 coats of concrete paint epoxy making sure to get into the crevices well.
Test the floor for moisture by taping a 2 foot by 2 foot piece of plastic to the.
Diamond grinding a garage floor you and i can both see the surface is clean.
The pressure washing will also remove peeling paint in pitted areas in the concrete.
To test pour water over the bare concrete.
Concrete patch can be used in place of mortar.
Peeling paint is not only unsightly but it can trap moisture against the concrete of the porch which can cause the concrete to erode over.
If some of the paint has already begun to chip or peel.
Likewise a floor buffer can get the job done on a larger scale.
Epoxy floor coatings will not adhere to concrete that has been previously sealed.
When you add this to the fact that most of the inexpensive epoxy floor kits make application sound as natural as rolling paint on the floor you have a recipe for failure.
The dust prevents the floor paint from adhering to the surface by sticking to the dust instead eventually peeling up.
This opens up the concrete floor to allow a garage floor paint to soak in and bond.
But the paint bubbles and peels off leaving a mess.