How to remove old peeling paint from a concrete porch.
Paint peeling off concrete floor.
Sealants curing agents concrete hardeners and other treatments to the concrete will interfere with the bonding of the epoxy.
Treated or sealed concrete.
Diamond grinding a garage floor you and i can both see the surface is clean.
Test the floor for moisture by taping a 2 foot by 2 foot piece of plastic to the.
A floor sander can be used to remove peeling paint on larger areas.
Peeling paint results when a wet surface swells causing the paint film to loosen crack and fall off.
I have a concrete porch that s been painted several times.
But the paint bubbles and peels off leaving a mess.
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.
How to prevent peeling paint on a concrete porch.
To test pour water over the bare concrete.
Any previous coatings should be ground off using a diamond grinder.
Excessive moisture in the home resulting from cooking showering laundering or the use of a humidifier vaporizer or hot tub.
Water may seep under the paint film in many ways including.
Application of an oil based floor finish is applied to a bare unetched uncured concrete floor.
A sealed concrete floor.
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.
When you set out to remove paint from concrete.
First remove peeling paint as much as possible next using a pressure washer clean the concrete well.
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.
The pressure washing will also remove peeling paint in pitted areas in the concrete.
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.
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.
Epoxy floor coatings will not adhere to concrete that has been previously sealed.
Aged concrete floor which may crumble and take the paint film with it.