Painting Brick and Stucco: When It Works and When It Doesn't
Painted brick has been one of the most requested exterior looks of the past several years, and the Lehigh Valley has no shortage of brick to work with. We get asked about it constantly, and our answer always begins the same way: understand that this decision is close to permanent.
Masonry is not siding. It behaves differently, it fails differently, and the coating choice matters more than the color.
Brick Needs to Breathe
Brick and mortar are porous by design. They absorb moisture and release it again as vapor, which is how a wall built in 1920 is still standing. Seal that surface with the wrong product and the moisture still gets in, through the roofline, through the ground, through a failed gutter, but it can no longer get out.
Trapped moisture behind a coating causes spalling, where the face of the brick pops off in flakes, taking the paint with it. In Pennsylvania this accelerates every winter, because water that soaks in during a January thaw expands when it refreezes that night. Our freeze-thaw cycling is genuinely hard on masonry.
This is why standard exterior house paint is the wrong product for brick. What works is a breathable, vapor-permeable masonry coating, mineral-based paints, elastomeric masonry coatings rated for permeability, or limewash.
The Permanence Problem
Removing paint from brick is difficult, expensive, and rarely fully successful. Chemical strippers, media blasting, and pressure washing all risk damaging the brick face itself, and brick that has been aggressively cleaned is more porous and more vulnerable than it was before.
Treat painting brick as a one-way decision. If you're uncertain, or if the brick is original to a historic home, consider limewash instead. It penetrates and bonds mineral-to-mineral, weathers gradually rather than peeling, and produces a softer, less uniform look that many homeowners prefer on older houses anyway.
When Painting Brick Is a Good Call
There are clear cases where we recommend it without hesitation:
- Previously painted brick. The decision was made decades ago. Recoating properly is the responsible path forward.
- Mismatched or repaired brick, where an addition or a repair never matched the original.
- Damaged or heavily stained brick that cleaning cannot fix.
- Common builder brick from the 1960s through 1980s with no architectural or historic value.
And where we push back: intact original brick on a historic home, brick with active moisture problems that haven't been diagnosed, and any masonry that's actively spalling. Painting over a moisture problem hides it for one season and worsens it permanently.
Stucco Is a Different Animal
Stucco is more forgiving to paint than brick and less forgiving of poor preparation. It's also everywhere in the Valley, on Spanish and Tudor revivals, on mid-century ranches, and on a great deal of newer construction.
The critical work happens before any coating goes on:
- Find and fix every crack. Hairline cracks are normal and can be bridged by an elastomeric coating. Anything wider than about 1/8 inch is a structural signal, and it needs proper patching with a compatible stucco patch, not caulk.
- Clean thoroughly. Stucco's texture holds dirt, chalking, and organic growth. Low-pressure washing is right; high pressure drives water into the wall and erodes the surface.
- Let it cure and dry. New stucco needs to cure for a minimum of 30 to 60 days before painting, and washed stucco needs several dry days before coating.
- Prime with a masonry primer where the surface is bare, chalking, or previously unpainted.
Fresh stucco is also highly alkaline, and that alkalinity will attack an ordinary paint's binder and cause it to fail. Alkali-resistant masonry primer exists specifically for this.
Coating Choice on Stucco
Elastomeric coatings are the standard recommendation for stucco in a freeze-thaw climate. They're thick, flexible, and bridge the hairline cracking stucco develops as it ages. The trade-off is that they must be applied at the correct film thickness, too thin and they behave like ordinary paint, and they need a surface that's genuinely dry underneath.
For stucco in good condition with no crack history, a high-quality 100 percent acrylic masonry paint is often the better value.
What We Do Before Quoting Masonry
We don't quote a masonry job from a photograph. Moisture readings, an inspection of the mortar joints, gutter and grading conditions, and the history of previous coatings all change the recommendation. Sometimes the honest answer is that repointing needs to happen before anything gets painted.
Have brick or stucco you're considering painting? Contact Anthony's Painting for a free on-site evaluation. Thirty years of Lehigh Valley masonry has taught us when to paint it and when to leave it alone. We serve Nazareth, Easton, Allentown, Bethlehem, and the surrounding communities.