Back to Exterior Painting How-To's
How to Remove Efflorescence
Efflorescence is a white "salt-like" build-up caused when moisture moves through stucco or masonry surfaces.
For Best Results:
Remove efflorescence before recoating a surface.
Suggested Tools & Supplies
- Hose
- Vinyl Gloves
- Protective Apparel
- Pump Sprayer
- Rags
- Scraper
- Scrub Brush
- Sponge
- Vinegar
- Wire Brush
-
Step 1
Using a wire brush or scraper, remove any loose or peeling paint from the damaged area.
-
Step 2
Use a concrete and masonry cleaner and etcher to clean the surface and mix into pump sprayer.
-
Step 3
Using a water-dampened sponge or garden hose, wet the area to be cleaned.
-
Step 4
Apply the cleaner and etcher solution to the area with a sponge or pump sprayer. Using a scrub brush, lightly scrub the area to remove the white powdery residue from the surface.
Tip: Allow the cleaner and etcher solution to set for 5-10 minutes. Make sure the product remains wet.
-
Step 5
Using a water-dampened sponge or a garden hose, thoroughly rinse the surface.
-
Step 6
Allow the area to dry.
More How-Tos
ADDITIONAL RESOURCES
PAINT AND STAIN CALCULATOR
Inside or outside; paint or stain: Let’s figure out how much you’ll need to make amazing happen.
Calculate
ASK AN EXPERT
Every project is unique: Keep small wrinkles from becoming big problems by letting the Behr Technical Experts lend a hand.
Get Expert Help
CONNECT WITH PRO REFERRAL - POWERED BY THE HOME DEPOT
Let Pro Referral do the leg work and match you with quality local painters.
Find a Painter
