Stucco Repair vs. Re-Stucco in Tampa: How to Tell What Your Wall Needs

Stucco is everywhere in Tampa Bay, on homes, strip centers, car washes and medical offices. It holds up well in our climate when it is installed right, but heavy summer rain, heat and settling all show up on the wall sooner or later. The question we get most is simple: can this be patched, or does the whole wall need to come off? Here is how we look at it on a site visit.

Start with the type of crack

• Hairline cracks (thinner than a credit card edge) in a spider web or map pattern are usually shrinkage cracks in the finish coat. They are mostly cosmetic. A crack filler plus an elastomeric coating that bridges small cracks is often enough.
• Straight cracks from window and door corners point to movement at the opening. They need to be routed out, sealed with a flexible material and recoated, and the window perimeter should be checked for water getting in.
• Wide cracks, cracks with one side higher than the other, or cracks that keep coming back can mean structural movement or a lath problem. Those are not paint jobs.

Tap the wall

A sound stucco wall gives a solid knock. If you tap with a screwdriver handle and hear a hollow sound, or the surface feels soft or bulges, the stucco may have separated from the wall behind it (delamination). Patching over a hollow area does not last, because the loose material keeps moving. That section has to be cut out back to solid edges.

Look for water signs

• Dark streaks or staining below windows and at wall corners
• Rust stains, which can mean corroded lath or accessories inside the wall
• Peeling or blistering paint in one area while the rest of the wall looks fine
• Soft drywall, baseboard damage or a musty smell on the inside of an exterior wall
• A missing or buried weep screed at the bottom of a framed wall, so water has no way out

Any of these means the job is no longer only about looks. Water behind stucco on a wood-framed wall can damage sheathing and framing, so the opening has to be investigated before anyone quotes a cosmetic fix.

The three kinds of jobs

1. Patch and recoat

For hairline cracking and small damaged spots on a wall that is otherwise solid. Cracks are cleaned and filled, patches are textured to match, and the wall gets primer plus an elastomeric or high-build coating. This is the most common job we do on homes and small commercial buildings.

2. Section replacement

For hollow areas, impact damage or wet spots around openings. We cut out the bad section back to sound material, repair what is behind it, install new lath and accessories where needed, and apply new coats so the patch ties into the existing wall. Matching texture is the hard part, which is why most section repairs end with the whole elevation being painted.

3. Full re-stucco

When delamination or water damage covers a large part of the wall, patching becomes more expensive than starting over. The old stucco is removed, the substrate is repaired, then new lath (on framed walls) and new coats go on. On framed walls that is typically a three-coat system: scratch coat, brown coat and finish. Over block, stucco is commonly applied directly in two coats. The work follows the Florida Building Code and the ASTM standards it references for lath and plaster, and it needs a permit.

What affects the price

• How much wall area is actually damaged once it is opened up
• Framed wall vs. block wall
• Height and access (ladders, scaffold or lift)
• Texture matching and how much of the building has to be painted to blend
• Whether windows, doors or flashing need work at the same time
• Permits and inspections for full replacement

We price stucco by the work, not by the hour, and we write the scope so you can see what is included: repair area, prep, coats, paint system and cleanup.

When to call

If you see cracks wider than a hairline, hollow spots, rust stains or water inside, get it looked at before the next rainy season. Small repairs done early keep a wall from becoming a full re-stucco later.

Kanos Group handles stucco repair, re-stucco and painting for homes and commercial buildings across Hillsborough, Pinellas, Pasco and Polk counties. See our commercial painting and stucco work or request a free estimate. Se habla español.