OutdoorExterior Walls & SealingCustom Formulas

Exterior Wall Cleaning & Outdoor Protection Solution

The right exterior wall cleaner depends on what's on the wall. White powder on brick and concrete is efflorescence, salts carried out of the masonry by water, and it takes an acidic remover to dissolve. Spray paint and marker need a solvent gel to soften the paint. Cement haze on tile and acid-resistant stone after building work takes an acidic post-construction cleaner. Cleaning is only step one: efflorescence and dark staining both come from the wall soaking up water, so once it's dry, a penetrating sealer is what keeps them from coming back. CleenU matches cleaning and protection products to the problem and makes private-label and OEM/ODM wall cleaners and sealers for building-material channels, distributors, and online sellers.

A light exterior wall with dark streaks and a lighter section
Formula Tuning

Tune formulas for efflorescence, graffiti, and protection

Free Samples

Samples are usually ready in 3–5 days

Custom Packaging

Clean-and-seal kits, bottle size, and label language

OEM/ODM

Private-label wall cleaners and sealers from 500 bottles

Exterior Walls: Clean, Dry, Then Seal

For white efflorescence, salt deposits, and cement runs on brick, face brick, concrete, and stone masonry walls, pre-wet the wall, apply the exterior wall efflorescence remover straight or diluted 1:3, wait 5 minutes, scrub, and rinse. For spray paint and marker on brick, concrete, metal doors, and roller shutters, spray the graffiti remover gel, wait 5–10 minutes until the paint softens, scrub or wipe it off, and rinse with water or a pressure washer. Once patio pavers, balcony tile, concrete, sandstone, and brick walls are clean and have dried 24–48 hours, apply two coats of the penetrating patio and balcony sealer, which cures in 24 hours and cuts water uptake, efflorescence, and darkening. Keep acids off marble, limestone, and sandstone; spot-test the graffiti remover on painted surfaces, plastic, and car paint; and don't seal polished stone, glazed tile, or coated surfaces.

  • Problem Type: White efflorescence, colored graffiti, cement haze, and water-darkening are each handled differently.
  • How It Works: Acid dissolves efflorescence and cement residue, solvent softens graffiti paint, and a penetrating sealer repels water inside the pores.
  • How to Use: Efflorescence: 5 minutes, then scrub; graffiti: 5–10 minutes, then brush off; sealer: two coats once dry, cured in 24 hours.
  • Surfaces: Brick, concrete, masonry, metal doors, and absorbent outdoor surfaces; no acid on marble or limestone.
  • The Order: Clean, let dry 24–48 hours, then seal, never the other way around.
Cleaning Areas
Brick and concrete walls, graffiti and roller shutters, patio and balcony surfaces, stone masonry
Surfaces
Brick, concrete, masonry, metal doors, and absorbent outdoor surfaces
Formats
Efflorescence remover, graffiti remover gel, penetrating sealer, cement residue remover
Service
OEM/ODM from 500 bottles

Where to Use It

Brick & Concrete Walls

White efflorescence, salt deposits, and cement runs: pre-wet, apply the Exterior Wall Efflorescence Remover for 5 minutes, scrub, and rinse.

Graffiti & Roller Shutters

Spray paint on brick, metal doors, and shutters: apply the Graffiti Remover for 5–10 minutes, then brush off and rinse.

Patio & Balcony Protection

After cleaning and 24–48 hours of drying, apply two coats of the Patio & Balcony Water-Repellent Sealer to cut water uptake and darkening.

Stone Masonry

Efflorescence on brick and stone masonry takes the efflorescence remover; use neutral products on sandstone and limestone, and seal once dry.

Spot-test natural stone, coated, and wood surfaces in a hidden area first.

When Not to Use It

  • Marble, limestone, and sandstone: the acidic efflorescence remover and post-construction cleaner etch them, so use neutral products instead.
  • Painted surfaces, plastic, and car paint: the graffiti remover's solvent can damage them, so spot-test in a hidden area first.
  • Polished stone, glazed tile, and coated surfaces: the penetrating sealer can't soak in and doesn't apply.
  • Leaks and structural cracks: efflorescence that keeps returning may mean water is getting into the wall, and cleaning and sealing can't replace waterproofing repairs.

Choose by Problem Type

White Efflorescence on Brick and Concrete Walls

Exterior Wall Efflorescence Remover
Surface
Brick, face brick, concrete, and stone masonry walls
Note
Not for marble, limestone, or sandstone; wear acid-resistant gloves and goggles
Use Method
Pre-wet, apply straight or 1:3, wait 5 minutes, scrub, and rinse; seal once dry
Customization
Acidity, pack size, and warning labels
AcidicDilutable 1:3Unscented

Recommended Products

CleenU Exterior Wall Efflorescence Remover, 500 mL trigger spray bottle

Exterior Wall Efflorescence Remover

Surface
Efflorescence on brick, face brick, concrete, and stone masonry walls
Strength
Acidic, pH 1.5–3.0
Foam / Trigger
Spray, dilutable 1:3
Packaging
500 mL trigger spray; 1 L refill available
CleenU Graffiti Remover, 500 mL trigger spray bottle

Graffiti Remover

Surface
Graffiti on brick, concrete, metal doors, and roller shutters
Strength
Neutral solvent-based, pH 6.5–8.5
Foam / Trigger
Gel spray
Packaging
500 mL trigger spray; 1 L refill available
CleenU Patio & Balcony Water-Repellent Sealer, 500 mL trigger spray bottle

Patio & Balcony Water-Repellent Sealer

Surface
Patio pavers, balcony tile, concrete, sandstone, and brick walls
Strength
Neutral, pH 6.0–8.0
Foam / Trigger
Two spray coats, no film
Packaging
500 mL trigger spray; 1 L refill available
CleenU Cement Residue Haze Remover, 500 mL trigger spray bottle

Cement Residue Haze Remover

Surface
Cement haze on tile, rustic tile, and acid-resistant stone
Strength
Acidic, pH 1.0–2.5
Foam / Trigger
Spray, dilutable 1:3
Packaging
500 mL trigger spray; 1 L refill available

Not sure which one to choose?

Tell us what you are cleaning, the surface, and how you clean it, and we will point you to the right product or formula.

Get Product Advice

Why Choose CleenU

01

Formula Development

We tune formulas and application separately for efflorescence, graffiti, cement residue, and protection.

02

Sample Testing

Free samples are usually ready in 3–5 days, then tuned for removal, working time, and protection based on your site tests.

03

Customization

Pack sizes, warning statements, label language, and clean-and-seal bundles.

04

Consistent Supply

Each formula keeps batch retention samples and a COA, so color, scent, and feel stay consistent on reorders.

How an OEM/ODM Project Works

  1. 01Share Your Brief
  2. 02Formula Recommendation
  3. 03Free Samples
  4. 04Packaging Approval
  5. 05Production
  6. 06Shipping

OrderingDetails

MOQ
500 bottles for standard projects
Sample Lead Time
Free samples, usually ready in 3–5 days
Production Lead Time
Scheduled with the order after packaging and labels are approved
Documents
SDS/MSDS, TDS, and batch COA, sent on request

Compare the Options

Four common exterior wall and outdoor surface problems, compared by product, pH, foam, and method. Efflorescence and cement residue dissolve with acidic formulas, graffiti softens with a solvent gel, and a penetrating sealer goes on last, over dry, absorbent surfaces. Clean, dry, then seal, never the other way around.

Cleaning JobWhereStrengthFoamMethod
Efflorescence & ResidueBrick, concrete, and stone masonry wallsAcidic, pH 1.5–3.0LowPre-wet, 5 minutes, scrub, and rinse
GraffitiBrick, concrete, metal doors, and shuttersNeutral solvent-based, pH 6.5–8.5None5–10 minutes to soften, then brush off and rinse
Sealing After CleaningPatios, balconies, concrete, and brickNeutral, pH 6.0–8.0NoneTwo coats once dry, cured in 24 hours
Cement Haze on TileTile, rustic tile, and acid-resistant stoneAcidic, pH 1.0–2.5LowWet first, 3–5 minutes, scrub, and rinse

How to Use It

  1. Identify the Problem

    Tell efflorescence, graffiti, cement residue, and water-darkening apart before you pick a product.

  2. Check the Material

    Keep acids off marble, limestone, and sandstone, and test solvents on paint and plastic.

  3. Dry After Cleaning

    Scrub and rinse, then let the surface dry 24–48 hours.

  4. Test the Seal

    After two coats and 24 hours of curing, drip water on it; if it beads, the sealer is working.

FAQ

Frequently Asked Questions

Common questions about how to use it, which surfaces are safe, and private-label orders.

Use & Cleaning

How do you remove efflorescence from brick?

The white bloom is efflorescence. Pre-wet the wall, apply the exterior wall efflorescence remover straight or diluted 1:3, wait 5 minutes, scrub with a stiff brush, and rinse. Once the wall has dried 24–48 hours, apply a penetrating sealer to cut down on rain soaking in and carrying salts out. Don't use it on marble, limestone, or sandstone.

How do you remove graffiti from a wall?

Spray the graffiti remover on the paint, wait 5–10 minutes until it softens, scrub or wipe it off, and rinse with water or a pressure washer. Spot-test painted surfaces, plastic, and car paint first; ventilate and keep away from open flames.

How do you apply a patio sealer?

Clean patio pavers, balcony tile, concrete, or brick and let them dry 24–48 hours, then apply two coats of the patio and balcony water-repellent sealer and let it cure 24 hours. Water then beads on the surface, cutting water uptake, efflorescence, and darkening. It doesn't change color, form a film, or make surfaces slippery; it's not for polished stone or glazed tile.

Surfaces & Safety

Why does efflorescence come back after cleaning?

It forms when water carries salts out of the masonry, so it can return as long as the wall keeps soaking up water. Sealing with a penetrating sealer once dry reduces recurrence; if the wall is leaking, fix the waterproofing first.

Will the sealer make the wall shiny or the floor slippery?

No. It's a penetrating formula that works inside the pores, forms no surface film, doesn't change the color, and doesn't make floors slippery.

Can I use the efflorescence remover on cement haze on new tile?

For cement haze on tile and acid-resistant stone after renovation, use the cement residue haze remover: wet the grout, apply straight or diluted 1:3, wait 3–5 minutes, scrub, and rinse thoroughly. Never use it on marble or other calcium-based stone.

Private Label & Sourcing

What should I prepare before asking about a private-label wall cleaner or sealer?

Settle four things: efflorescence, graffiti, sealing, or a clean-and-seal kit; the target channel; pack sizes; and your target market's labeling and warning requirements. Then we'll arrange free samples, usually ready in 3–5 days.

What documents come with OEM wall cleaning and protection products?

We provide SDS/MSDS, TDS, and batch COA, and prepare warning statements and label copy for your target market. These documents aren't posted for download; we send them on request after you inquire.

What are the MOQ and lead time for these products?

Standard projects start at 500 bottles. Free samples are usually ready in 3–5 days, and production is scheduled after packaging and labels are approved.

Keep Exploring

Launching a Wall Cleaner or Sealer? Start with Free Samples

Exterior walls and outdoor surfaces come down to clean, dry, then seal: scrub efflorescence off with an acidic remover and rinse, soften graffiti with a solvent gel and brush it off, clear cement haze from new tile with a post-construction cleaner, then let absorbent surfaces dry 24–48 hours and apply a penetrating sealer. Keep acids off marble and limestone, and test solvents on paint first. If you're building an exterior cleaning and protection line, CleenU can start from these four formulas, with free samples first and a 500-bottle MOQ.

Tell us your target market, wall types, and packaging ideas. Free samples are usually ready in 3–5 days.