Vinyl Siding Oxidation Removal — Restore Your Home's Color Without Repainting
If your home's vinyl siding looks faded, chalky, or has a dull white haze that regular washing won't remove, you're dealing with oxidation. Oxidation occurs when the protective outer layer of vinyl breaks down from years of UV exposure, leaving behind a chalky residue that makes even clean siding look worn and aged.
The good news: in most cases, oxidation can be significantly reduced or eliminated without repainting — saving you thousands of dollars.
Giani Exterior Services offers professional oxidation removal for vinyl siding on homes throughout the NH Seacoast, Southern Maine, and the Lakes Region. We use specialized treatment solutions formulated specifically to break down and remove oxidized residue, restoring your siding's original color and sheen. The results are dramatic — most homeowners are amazed at how much color comes back.
Our oxidation removal process:
• Assessment of oxidation severity and siding condition
• Pre-treatment rinse to remove loose dirt and debris
• Application of oxidation-specific treatment solution
• Agitation and dwell time to lift the oxidized layer
• Final rinse and inspection
Results vary based on the age and condition of the siding. We'll give you an honest assessment during the estimate — if the siding is too far gone, we'll tell you upfront.
We serve Portsmouth, Exeter, Dover, Durham, Hampton, Stratham, Rye, North Hampton, Lee, Nottingham, Barrington, and all surrounding Seacoast communities, as well as Southern Maine and the NH Lakes Region.
Contact us for a free estimate.
FAQs
What causes oxidation on vinyl siding?
1
Oxidation is caused by prolonged UV exposure breaking down the titanium dioxide and pigment in the outer surface of the vinyl. It's a natural aging process that affects virtually all vinyl siding over time, typically becoming noticeable after 10–15 years.
Is oxidation removal the same as pressure washing?
2
No. Standard pressure washing removes dirt and biological growth from the surface, but it won't touch oxidation — the chalky layer is part of the siding itself, not something sitting on top of it. Oxidation removal requires specific chemical treatments designed to break down that degraded layer.
Will the color come back completely?
3
It depends on the severity of the oxidation and age of the siding. Mild to moderate oxidation typically responds very well, with significant color restoration. Severely oxidized or very old siding may show partial improvement. We'll assess the condition honestly during your free estimate.
Can oxidation be prevented?
4
Oxidation is a natural process that can't be fully stopped, but routine soft washing every 1–2 years can slow its progression by keeping the surface clean and free from contaminants that accelerate UV damage.