Sanding Concrete Wall Before Painting

Diamond head concrete.

Sanding concrete wall before painting.

The annoying thing is they have a subtle texture to it. Scuff sanding is also the first step in preparing newly cured concrete for painting. 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. Looking for feed back on these four options.

Easier to match the wall color to the floor than the opposite. Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor. For oil based paint a medium grit sandpaper 100 to 150 grit should be used. After a few minutes the concrete will begin to have a slight luster.

They aren t dry wall smooth but don t have an interesting pattern either instead i m left with a random scale like texture around the room with some areas worse than others. Refinishing floors before painting walls pros. Then sand horizontally along the baseboard and ceiling. Sand the walls from the baseboard to the ceiling with fine grit sanding paper on a sanding pole.

Dust from floor sanding will not damage newly painted walls. Apply a second and final coat of paint to the concrete. Sand any areas where the paint failed to adhere. Decordezine gives the steps for sanding concrete floors along with the tools and preparation needed for the whole process.

However there are some things to consider when painting a concrete wall. For previously painted water based paint sand with a fine grit sandpaper. Scuff sanding not only helps remove the old product but it gives the concrete surface a slightly rough texture. 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.

It is vital for the process to be done carefully. You ll want a high shine for clear sealant and stain. Sanding a concrete floor helps level its surface and is a common practice before painting it. Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high gloss paint.

Move the grinder up and down and back and forth across the wall. If you do end up sanding again don t forget to sweep again too. My walls are solid 4 thick concrete slabs. Press the grinder to the wall and begin applying firm pressure.