How Much Does It Cost To Sand Walls Before Painting. Scraping and sanding can take a full day if the existing paint is in poor condition and if you live in a moist climate treating bare wood with water sealer before painting is highly recommended. Videos you watch may be added to the TVs watch history and influence TV recommendations.
Ive been known to skip the wash step when the room is pretty clean to begin with. However if the wall is lumpy or uneven in more than a few places then it is usually easier to skim a 2. Posted by thats candlepin at 1129 AM on March 21 2011.
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People have been painting walls without sanding them for some several years now and I think it generally goes OK. Lets say Im painting something white that started out black. If the wall is flat and you only need to lightly fillsand it to achieve smoothness then a pole attachment or handheld sanding padblock is best for large areas. Average Cost to Paint a House Exterior.