Month: April 2026

Most coating failures on repaints aren't really paint problems. They're compatibility problems. The new coat looked fine going on, maybe even great for a few months. Then it started lifting at the edges. Or bubbling in the sun. Or peeling in sheets after the first good rainstorm. That's not bad paint. That's the new system fighting the old one, and the old one usually wins. Key Takeaways Painting over an existing coating without compatibility testing is the single most common cause of early repaint failure on commercial buildings. Incompatibility shows up as peeling, blistering, alligatoring, solvent lifting, or intercoat delamination,…

Interior and exterior commercial paints are formulated for completely different environments. Interior paint lacks the UV blockers, flexible resins, and mildewcides that exterior coatings rely on, so it chalks, cracks, and peels within months when exposed outdoors. Exterior paint, on the flip side, often contains biocides and VOCs that aren't safe or comfortable for enclosed indoor spaces. Use the wrong one, and the coating fails early no matter how expensive the product was. Key Takeaways Interior paint fails outdoors because it has no UV protection and uses rigid resins that crack when surfaces expand in the Florida heat. Exterior paint…