How to Prep Walls for Painting
Learn how to prep walls for painting with our detailed step-by-step guide. Follow our easy instructions to get it done right.
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0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Clean Walls Thoroughly
Step 1: Clean Walls Thoroughly
Wash walls with TSP or mild detergent to remove dirt, grease, and grime.
TSP Wall Cleaner
Heavy-duty cleaner for prepping walls (powder)
2 Step 2: Repair Holes and Cracks
Step 2: Repair Holes and Cracks
Fill nail holes and cracks with spackle or joint compound, let dry.
Lightweight Spackle
Fast-drying filler for small holes and cracks (quart)
Putty Knife
Flexible knife for applying spackle (3-inch)
3 Step 3: Sand Repairs Smooth
Step 3: Sand Repairs Smooth
Sand patched areas with 120-grit sandpaper until flush with wall surface.
Sanding Sponge
Flexible sanding block for wall repairs (medium)
4 Step 4: Prime Stained or Repaired Areas
Step 4: Prime Stained or Repaired Areas
Spot-prime water stains, repairs, and bare drywall for even paint coverage.
Stain-Blocking Primer
Primer for covering stains and repairs (quart)
5 Step 5: Protect Trim and Floors
Step 5: Protect Trim and Floors
Apply painter's tape to trim, outlets, and ceiling edge - lay drop cloths on floor.
Painter's Tape
Blue tape for clean paint lines (1.5-inch x 60 yards)
Canvas Drop Cloth
Reusable drop cloth for floor protection (9x12 feet)
6 Step 6: Vacuum and Wipe Dust
Step 6: Vacuum and Wipe Dust
Vacuum all dust from sanding, wipe walls with tack cloth before painting.
Tack Cloth
Sticky cloths for removing dust (pack)