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Why Your Exterior Paint Is Peeling (And How to Fix It Once and For All)

· By Deden Contracting
Why Your Exterior Paint Is Peeling (And How to Fix It Once and For All)

Peeling paint is the most common exterior problem I see in Omaha homes. And here is the thing most homeowners get wrong — they repaint over it without digging into why it peeled in the first place. That is like putting new shingles over a rotting roof. The problem will come back, usually worse.

The Four Reasons Paint Peels

1. Moisture Under the Film

This is the #1 cause in Nebraska homes. Moisture gets behind the paint film — from condensation, irrigation spraying the walls, or water wicking through unsealed cracks in the siding.

Signs: Peeling starts at the bottom edge of clapboards, near where gutters drip, or around windows where caulk has cracked.

Fix: Find and eliminate the moisture source. Re-caulk windows. Redirect downspouts away from walls. Let the wall dry thoroughly before repainting.

2. Oil-Based Paint on Top of Latex (Or Vice Versa)

If your home was painted at different times, there is a good chance someone applied oil-based paint over latex or vice versa. These two chemistries do not bond well to each other. The new coat lifts the old one.

Fix: Scrape all loose paint down to bare wood where you see adhesion failure. If the old coat feels chalky when you rub your hand on it, that is adhesion failure — scrape it back. Prime with a bonding primer and repaint with compatible paint.

3. Skipping Primer on Bare Wood

Omaha siding — cedar, pine, fiber cement — needs a primer coat before topcoat. Bare wood absorbs the topcoat unevenly, causing the finish to peel in patches.

Fix: Scrape to bare wood, prime with shellac-based primer (Zinsser B-I-N) or oil-based primer (Kilz Original), let dry fully, then apply two coats of exterior paint.

4. Paint Simply Aged Out

Even the best exterior paint has a lifespan — typically 7–15 years on the north and east sides of a house, 15–20 years on the south and west sides where UV is more intense.

If your house is 20+ years old with the original paint, full scraping to bare wood and a fresh start is the right approach.

The Repair Steps

  1. Scrape all loose and peeling paint
  2. Sand rough edges smooth (120-grit, then 220-grit)
  3. Prime bare wood areas
  4. Caulk all gaps around windows, doors, and trim
  5. Apply two coats of quality exterior paint (Sherwin-Williams Duration or Benjamin Moore Aura)

When to Call a Pro

Full exterior scrape-and-repaint is a 3–5 day project for most homes. Deden Contracting handles the full process — scrape, prime, caulk, paint, clean up — and backs it with our 2-year workmanship warranty. Free estimate: (402) 915-2661.

Peeling paint is not a paint problem — it is a moisture and adhesion problem. Fix the cause, scrape it back, and start fresh.

Rather leave it to the pros?

Deden Contracting serves Omaha, Lincoln, and the surrounding metro with licensed, insured painting crews. Free estimates, 2-year workmanship warranty, and a 24-hour quote turnaround.

☎ Call Free Estimate →