What Florida Does to Your Exterior Paint (And How We Fix It)
Florida is hard on exterior paint. The combination of intense UV, high humidity, afternoon storms, and coastal salt air is genuinely aggressive, and most people find out how aggressive it is when they start seeing problems a few years after a paint job. Some of these issues are cosmetic. Some of them are signs that water is getting where it should not.
Here is what the residential painting team at Color Masters Painting deals with on Florida homes every single week, and what we do about each one.
Chalking: The Powdery Surface That Makes Paint Fail
Chalking happens when UV breaks down the paint binder over time and leaves a loose, powdery residue on the surface. If you run your hand across an older stucco wall and come away with white powder on your palm, that is chalking.
Painting over chalky stucco without treating it first is a common mistake. The new paint bonds to the chalk instead of the stucco, and eventually the chalk releases and takes the new paint with it. We pressure wash thoroughly, then apply Sherwin-Williams Loxon Conditioner to stabilize the surface before any topcoat goes on.
Mildew: More Than Just an Eyesore
The dark staining you see on Florida exteriors is almost always mildew, not dirt. It lives on the paint film and feeds on moisture. Painting over it without treating it first just traps it underneath and it comes back through.
We treat mildew during the washing phase, before anything else happens. The surface has to be clean and dry before paint goes on.
Hairline Stucco Cracks
Hairline cracks are nearly universal on Florida stucco. The substrate moves with temperature and moisture changes, and the paint and stucco crack. Left alone, they let water in. We fill these with elastomeric patching compound before painting, which stays flexible and moves with the building instead of cracking again immediately.
Rusted Nail Heads and Metal Staining
When nails or fasteners underneath the stucco start to rust, you see rust-colored bleed-through on the surface. We clean those areas, treat them, and prime them with Rust Destroyer before topcoating. Painting over rust staining without treating the source just means the stain comes back.
Rotten Fascia and Soffit
Wood rot in the fascia and soffit is common on Florida homes, especially where gutters have been leaking or where the original installation did not have good paint coverage on the edges and end grain. Minor rot we handle in house. We have skilled employees who can do carpentry work.
If the damage is more extensive, we tell you honestly and recommend getting it repaired before we paint. Painting over rotted wood is not a repair. The rot keeps going and the paint fails fast.
The Bottom Line on Florida Prep Work
Every one of these issues has a correct fix, and that fix has to happen before paint goes on. Homeowners who try to save money by skipping prep or going with a painter who skips it end up repainting sooner than they should. Good prep is what makes the difference between a paint job that lasts seven to ten years and one that starts failing in three.
Color Masters Painting handles all of these issues on every job. Contact us to schedule your estimate in Daytona Beach, Port Orange, or the surrounding area.