Sanding Concrete Wall Before Painting

For previously painted water based paint sand with a fine grit sandpaper.

Sanding concrete wall before painting.

Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor. Again wipe away any debris and allow to dry completely. Scuff sanding is also the first step in preparing newly cured concrete for painting. Press the grinder to the wall and begin applying firm pressure.

Decordezine gives the steps for sanding concrete floors along with the tools and preparation needed for the whole process. Move the grinder up and down and back and forth across the wall. For oil based paint a medium grit sandpaper 100 to 150 grit should be used. You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.

If you do end up sanding again don t forget to sweep again too. Easier to match the wall color to the floor than the opposite. Dust from floor sanding will not damage newly painted walls. After a few minutes the concrete will begin to have a slight luster.

Refinishing floors before painting walls pros. However there are some things to consider when painting a concrete wall. Sanding walls before painting for the best results use a good quality sandpaper i like 3m s pro grade advanced sandpaper available here and a sanding block this one is the best i ve found. Damage to walls from floor sander is easier to patch and paint over than the opposite.

Looking for feed back on these four options. Don t put a lot of pressure on the sanding. Diamond head concrete. My walls are solid 4 thick concrete slabs.

Apply a second and final coat of paint to the concrete. It is vital for the process to be done carefully. Sand the walls from the baseboard to the ceiling with fine grit sanding paper on a sanding pole. Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high gloss paint.

Then sand horizontally along the baseboard and ceiling. The annoying thing is they have a subtle texture to it. Scuff sanding not only helps remove the old product but it gives the concrete surface a slightly rough texture. Sand any areas where the paint failed to adhere.