You wouldn’t put up a house without first building a solid foundation. Similarly, you shouldn’t paint walls until you’ve properly prepped them. The good news: It’s easy and quick. Walls just need to be clean and free of flaws. Here’s how to get the best results.
Step 1: Wash Off Grime
For a flawless paint job, make sure to clean your walls prior to painting to remove any dust, dirt and grease. Using a grease-cutting detergent like Krud Kutter Cleaner & Degreaser and pay special attention to:
Glossy surfaces, like trim
Kitchen walls, where grease accumulates
Bathroom walls, where hair and other sprays are used
Walls that pets brush against (their fur can leave oily residue)
Walls with fingerprints or other grime
Walls in rooms where people have smoked
Step 2: Find Flaws
To check for areas that need repairing, hold a light to the wall and let the light rake over it. You’ll see any dings, holes or imperfections. Mark those areas with a piece of tape or circle them with a pencil.
Step 3: Pull Popped Nails
The nails that secure drywall to studs sometimes pop out due to expansion and contraction of the studs. To fix them, you can’t just resink them, because the nail will eventually pop back out.
To permanently fix a popped nail, drive a 1 1/4-inch drywall screw about 2 inches above or below the popped nail. Then pull out the nail with a pry bar while holding a wide putty knife under it to protect the wall. Tap the empty nail hole with the handle of a putty knife to knock any protruding drywall fragments into the wall.
Step 4: Patch Holes
Know how to smooth walls before painting, especially holes left from nails and picture hangers, as well as any dings and dents. You can take care of them easily with Fast Dry Premium Spackling and Alex Plus Spackling. Their ready-to-use, smooth white formula spreads nicely for fast, professional repairs that will not sink, shrink or crack.
To patch a small hole, scoop a small amount of spackling with a putty knife; then spread over the hole, holding the knife at a low angle to the wall. Fast Dry Premium Spackling dries in one to five hours, depending on the temperature, humidity and patch depth. Once it’s dry, you can dry-sand it with sandpaper to a smooth surface or wet-sand by lightly running a damp drywall sponge over the patch. When “wet sanding” be sure to allow the patched area to dry before proceeding with priming/painting.
For a deep hole (up to 3 inches and without any backing), place a self-adhesive metal drywall patch over the hole first to prevent the filler from falling into the wall. Then spackle over the patch with Alex Pluse Spackling, feathering the edges. Wet-sand when dry.
Step 5: Patch Cracks
Patch small, stable cracks with Fast Dry Premium Spackling. For larger cracks, place fiber mesh tape over the crack first, and then spackle with Alex Plus. When it’s dry, wet-sand with a drywall sponge.
To see these repairs in greater detail, check out our How to Fix Drywall video.
Step 6: Repair Torn Drywall
To repair torn drywall paper face, start by cutting away any loose drywall paper. Then seal it with Zinsser Bulls Eye 1-2-3 Primer. This will prevent the exposed drywall from absorbing moisture from the spackling or paint. After it thoroughly dries, lightly sand the exposed paper edges with fine-grit sandpaper to remove any paper fibers. Then apply Fast Dry Premium Spackling to patch it. When it’s dry, wet-sand it with a drywall sponge.
Step 7: Sand Entire Wall
You can get by with sanding only the areas that have been patched, but walls look much better after painting when you very lightly sand the entire wall. The point is to get rid of any little imperfections, not to remove roller texture, so this is a quick sanding. Use a sanding sponge with 100-grit sandpaper. Or, to speed up the work, use a pole sander. Wipe down the walls with a damp cloth when you’re done and allow to dry before proceeding with your next step.
Step 8: Prime Where Needed
Patches are porous, so the primer readies them for paint. Brush on Zinsser Bulls Eye 1-2-3 Primer to seal any patches and cover water stains, crayon marks or other marks on the wall that might show through the paint. This premium low-odor, water-based primer-sealer covers stains and marks, seals, and provides a smooth surface for paint. Mildew- and mold-resistant, it dries quickly so you can start painting in one hour.
La masilla DAP® FAST DRY Premium es un compuesto de masilla de calidad profesional exclusivamente formulado para proporcionar resistencia y durabilidad, al igual que la masilla pesada tradicional, pero además seca rápido y se puede pintar en tan solo 15 minutos.
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