Concrete and Masonry Painting
Why this matters
Concrete + masonry surfaces require specific painting approaches. Customer's basement walls, foundation, concrete block, brick, and stucco have unique characteristics. A painter familiar with these expands service to include concrete + masonry work.
Surfaces
Common concrete + masonry:
| Surface | Properties |
|---|---|
| Concrete (slab, foundation) | Smooth or rough; porous |
| Concrete block (CMU) | Hollow blocks; rough texture |
| Brick | Various textures; porous to dense |
| Stucco (cement-based) | Textured; absorbent |
| Stone | Various |
| Specialty concrete | Various finishes |
Each has specific approach.
Paint products
For concrete + masonry:
| Product | Properties |
|---|---|
| Masonry paint (latex) | Most common; cost-effective |
| Elastomeric coatings | Premium; flexible; waterproof |
| Epoxy paint | Industrial; specialty applications |
| Specialty foundation paint | Waterproof barrier |
| Stains (concrete stains) | Decorative; color penetration |
| Sealers | Clear; for unpainted concrete |
Customer's specific situation guides choice.
Latex masonry paint
Standard residential:
- Water-based
- Customer-friendly
- Long service life
- Customer's color choice
Most common.
Elastomeric coatings
For premium:
- Forms a flexible membrane
- Bridges hairline cracks
- Waterproof
- Customer's significant investment
- Specialty installation
Premium customer applications.
When to use elastomeric
| Customer situation | Recommendation |
|---|---|
| Customer's foundation cracks | Elastomeric |
| Customer's exterior premium | Elastomeric |
| Standard residential | Latex acceptable |
Cost framework
For concrete + masonry painting:
| Paint type | Cost relative |
|---|---|
| Standard latex masonry | Baseline |
| Premium latex | 1.5-2x |
| Elastomeric | 2-4x |
| Epoxy | 3-6x |
| Stains | Variable |
Customer's investment + need.
Surface preparation
Critical:
Step 1: Clean the surface
- Power wash
- Remove dirt, grime, mold
Step 2: Repair
- Patch cracks
- Mortar repair if needed
- Customer's investment
Step 3: Allow drying
- Concrete must be dry
- Sometimes weeks for full dry
- Customer's investment
Step 4: Prime if needed
- Specific masonry primer
- Customer's specific paint requirements
- Some paints self-priming
Step 5: Paint
- Multiple coats typically
- Customer's color
Comprehensive process.
Moisture considerations
For concrete:
- Concrete must be dry
- Moisture causes peeling
- Customer's specific test (moisture meter)
- Customer's investment time
Critical for adhesion.
Foundation painting
For waterproofing:
- Customer's foundation
- Specialty foundation paint
- Customer's exterior treatment
Often combined with drainage improvements.
Customer's specific situation
| Customer | Approach |
|---|---|
| Customer's basement walls | Standard latex; sometimes elastomeric |
| Customer's foundation exterior | Foundation paint OR elastomeric |
| Customer's garage walls | Standard latex |
Mortar repair
For masonry:
- Customer's mortar may need repair before painting
- Customer's investment
- Cross-trade with mason
A pre-painting step.
Customer's specific design
For brick:
- Customer's specific desire
- Sometimes paint not recommended (historic brick)
- Customer's specific choice
A specific conversation.
When to recommend NOT painting
For some situations:
- Historic brick (paint can damage)
- Customer's specific brick
Sometimes preserve unpainted.
Customer education
For concrete / masonry:
- "Surface preparation is critical"
- "Customer's specific situation"
- "Customer's investment in proper paint"
- "Customer's long-term satisfaction"
A trained customer.
Common installation issues
For application:
| Issue | Cause |
|---|---|
| Peeling | Surface moisture |
| Cracking | Inadequate paint flexibility |
| Mold growth | Customer's specific environment |
Each addressable.
Concrete stains
For decorative:
- Color penetration into concrete
- Customer's investment
- Specialty application
Specialty.
Decorative concrete
For specialty:
- Customer's investment
- Specialty installer
Less common for standard painter.
When the customer's exterior is concrete
For exterior:
- Weather exposure
- Customer's specific paint type
Customer-specific.
Coordination with other trades
For comprehensive:
- Mason for mortar repair
- Foundation contractor for waterproofing
- Customer's specific scope
Cross-trade.
Maintenance
For painted concrete / masonry:
- Periodic inspection
- Customer's specific monitoring
- Customer's specific issues
- Customer's long-term
Standard maintenance.
Specialty: epoxy coating
For garage floors:
- Specific surface preparation
- Customer's significant investment
- Specialty installer
Different scope.
When to refer
For specialty:
- Historic preservation
- Specialty designs
- Customer's significant investment
Cross-trade.
Common pitfalls
- Inadequate surface preparation
- Wrong paint type
- Customer's specific situation overlooked
- Customer's wrong expectations
Standard care.
Documentation
For each project:
- Surface type identified
- Paint product specified
- Customer file note
Customer's records
For long-term:
- Customer's paint type
- Customer's long-term reference
Final notes
Concrete + masonry painting is:
- Customer's specific home protection
- Customer's investment
- Painter's specialty skill
- Customer's long-term value
A meaningful specialty.
References
- Manufacturer documentation (Sherwin-Williams, Benjamin Moore)
- PDCA standards
- Masonry industry guidance
- Customer's specific regional considerations
- Manuall internal: Paint Types Chemistry, Surface Prep for Painting, Exterior Painting Process SOP