General Question

YARNLADY's avatar

How to paint over a pre-existing problem?

Asked by YARNLADY (46587points) September 2nd, 2010

The wall was painted right over crayon marks, and not properly cleaned or primed, how do we solve this issue, three years later? What about another wall that is now covered with permanent marker streaks?

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1 Answer

Beta_Orionis's avatar

Depending on the kind of paint used to paint over the marks, you may not be able to solve the issue without sanding that coat off. i.e. If the paint is peeling, new paint will not adhere properly (or if it does, will just peel off later.) If it was an oil-based paint, you can’t paint acrylic/water-based paint over the layer.

For the wall with permanent marker streaks, wash, sand, and prime the wall, then apply a finishing coat of the desired color. There are several primers available with extreme opacity, meant to cover up marks/etc. with just one coat. Ask your local hardware store for the options.

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