If it fails: the first hour
What the site contact should do before the technician arrives.
- Wipe down and dry any exposed bare metal from impact damage
- Apply a temporary rust-inhibiting spray primer if the metal will be exposed for more than a day
- Photograph the damage and schedule a permanent touch-up with a painting contractor
What fails
Peeling or flaking on exterior surfacesMoisture trapped behind paint, or paint applied over an unprepared or previously failing surface, causes adhesion to fail and the finish coat to lift and flake within a few years instead of the expected cycle.
Fading and chalking from UV exposureSouth and west-facing exterior walls take the most sun exposure and show color fade and a chalky residue on the surface well before other elevations of the same building.
Scuffs and scratches in high-traffic interior areasCorridors, stairwells, and areas near loading docks accumulate scuff marks and cart damage that dull the finish and make a space look worn even when the underlying wall is sound.
Rust bleed-through on metal doors and framesUntreated rust on steel doors, frames, and railings bleeds through new paint within months if the surface is not treated with a rust-inhibiting primer before painting.
Mismatched touch-up paintTouch-up paint applied from an old can or a different batch often dries a slightly different shade or sheen than the surrounding wall, leaving a visible patch instead of blending in.
Efflorescence on masonry surfacesA white, powdery mineral deposit forms on painted masonry when moisture moves through the wall and leaves salts behind, a sign the moisture source needs to be addressed before repainting will hold.
Caulk failure around windows and trimExterior caulk joints dry out, crack, and separate from the surface over time, letting water behind the paint film and accelerating peeling near windows, doors, and trim boards.
What a service call includes
- Assessing existing surface condition, including moisture, rust, or prior coating failure before recommending a system
- Pressure washing or scraping to remove loose paint, dirt, and chalking before priming
- Applying rust-inhibiting or moisture-blocking primer where the substrate requires it
- Caulking gaps at trim, windows, and joints as part of exterior surface prep
- Applying finish coats matched to the specified sheen and color, using commercial-grade coatings rated for the exposure
- Protecting floors, fixtures, and adjacent surfaces during interior work in occupied spaces
- Providing color and product documentation for future touch-up matching
Preventive checklist
The items a maintenance program should carry for this system. Build a combined checklist across systems with the checklist builder.
Spring
- Inspect exterior surfaces for winter damage, cracking, or peeling before the painting season starts
- Check caulk joints at windows, doors, and trim for gaps or separation
Fall
- Complete exterior painting projects before temperatures drop below the coating manufacturer's application minimum
- Touch up high-traffic interior scuffs before the holiday season increases foot traffic
Annual
- Walk the full exterior for fade, chalking, and peeling to plan the next repainting cycle
- Update the color and product log with current batch numbers for accurate future touch-ups
What it costs
| item | typical range | what moves it |
|---|---|---|
| Interior wall touch-up, per room | $150 to $500 | Cost depends on wall height, whether ceilings are included, and paint matching from prior batches. |
| Full interior repaint, per square foot | $1.50 to $4 | Varies with number of colors, ceiling height, and amount of trim or door detail. |
| Exterior repaint, per square foot | $2 to $6 | Higher end reflects surface prep needs like scraping, priming rusted metal, or masonry repair. |
| Metal door and frame refinishing, per unit | $100 to $300 | Includes rust treatment and rust-inhibiting primer before the finish coat. |
| Parking lot bollard or curb striping paint | $20 to $60 per unit | Traffic and safety-rated paint costs more than standard exterior paint. |
National ranges. Local labor, access, after-hours timing and materials move them. Multi-site programs usually price below one-off calls.
How to choose a provider
- Ask what surface preparation is included, not just the number of finish coats
- Confirm the coating system specified is rated for the surface's exposure, such as a masonry-rated or metal-rated product
- Ask how touch-up paint and batch numbers are documented and stored for future use
- Request references for occupied-space work, since scheduling around business hours differs from vacant construction painting
- Confirm warranty terms on both labor and the coating manufacturer's product warranty
Questions
How often should a commercial building be repainted?
Interior spaces are commonly repainted every 3 to 7 years depending on traffic, while exterior surfaces typically need repainting every 5 to 10 years depending on climate exposure and coating quality.
Why does touch-up paint sometimes look different from the surrounding wall?
Paint can shift shade slightly between batches, and sheen changes with age and UV exposure, so a touch-up from an old can or a new batch may not match exactly even with the same product name.
What causes exterior paint to peel?
Most peeling traces back to moisture trapped behind the paint film, either from a leak, poor surface prep, or painting over an already-failing coating rather than removing it first.
What temperature is needed to paint a commercial exterior?
Most commercial exterior coatings require air and surface temperatures above 50 degrees Fahrenheit during application and for a period afterward, which limits the practical painting season in colder climates.