Vinyl Renu
The Complete Guide to Restoring Faded Vinyl Siding
If your siding has gone from crisp and bright color to a dull, chalky version of itself, you're not imagining it – and you're not stuck with two bad options either. Most people assume faded siding means a repaint or a full tear-off and replacement. There's a third option that costs a fraction of either: Vinyl Renu™ Siding Restorer, a vinyl siding restorer built to bring back the original color and shine without replacing existing siding.
In this guide, we'll cover why vinyl siding fades in the first place, how a restorer actually works compared to paint or replacement, and how to pick the right product and approach for your home.
Why Vinyl Siding Fades and Oxidizes
Vinyl siding is durable, but it's not immune to the sun. Years of UV exposure slowly break down the surface of the vinyl, and that breakdown shows up as a chalky, faded film – that's oxidation, and it's the main reason siding looks dull instead of glossy.
A few other things speed the process along:
- Sun exposure. South and west-facing walls almost always fade first and worst.
- Weather cycles. Repeated heating and cooling stress the material over the years.
- Dirt, algae, and mold. These build up on top of the oxidation, making faded siding look even worse than it already is.
- Age. Even well-made vinyl siding starts to show its age after a decade or more outdoors.
None of this means the siding itself is failing structurally – it's a cosmetic problem, which is exactly why restoring it, rather than replacing it, makes sense for most homes.
How Vinyl Renu Works
Paint sits on top of the surface. Vinyl Renu doesn't – it's a water-based restorer that penetrates the vinyl to bring back the original color and shine from within, rather than covering it with a new layer that can chip, peel, or need repriming down the road.
That's a meaningful difference in practice. Paint on vinyl siding typically means priming, sanding, taping, and a paint job that needs redoing every few years. Vinyl Renu skips all of that – no priming, no sanding, no taping – and the finish is built to last up to a decade before it needs a second application.
Every kit also includes a concentrated cleaner and oxidation remover, so you're not buying a separate product just to prep the surface first.
Vinyl Renu vs. Vinyl Renu Pro – Which One Do You Need?
Both products restore color and shine to faded siding, but they're built for slightly different jobs.
Vinyl Renu is the standard homeowner option – ideal for a single house, garage door, or fence. Vinyl Renu Pro is the heavier-duty formula, aimed at contractors, painters, and pressure washing companies who need to cover more square footage and want a 10-year warranty backing the work. Pro also extends to a few surfaces standard Vinyl Renu doesn't cover, like stucco/EIFS and metal roofing, and can cut labor time up to 75% compared to a traditional paint job.
If you're not sure which makes sense for your project, this breakdown of how much Vinyl Renu you actually need and how to choose between Vinyl Renu and Vinyl Renu Pro walks through the decision in more detail, and this deeper look at why Vinyl Renu Pro is often the better choice is worth a read if you're covering a larger property or working professionally.
How Much Coverage Do You Get?
One gallon of Vinyl Renu covers roughly 350 square feet, and a 5-gallon pail covers up to 1,750 square feet – about 50% more coverage per gallon than a typical can of paint. For most single-family homes, the 350 SF kit is a natural starting point, and it's exactly what this guide to restoring curb appeal with the 350 SF kit walks through from start to finish.
Where You Can Use It
Vinyl Renu isn't limited to just siding. It works on:
- Vinyl and aluminum siding
- Metal siding
- Cement and Hardie board siding
- Garage doors
- Patio furniture
- Mailboxes
- Vinyl shutters
That last one comes up more than people expect – faded shutters are one of the easiest, fastest wins on a house, and restoring vinyl shutters is a great weekend project if the rest of your siding still looks fine.
Why Homeowners Choose Restoration Over Replacement or Paint
Math tends to make decisions easily. New siding for an average home runs somewhere around $11,000, and even after factoring in resale value, that's still thousands of dollars out of pocket. Restoring the same siding with Vinyl Renu typically costs a few hundred dollars – often under $500 for the full job – for a result that lasts just as long.
It's also part of why Vinyl Renu has built a reputation as the highest-rated vinyl siding restorer on the market: it solves the same problem as a repaint or replacement, at a fraction of the cost and effort, and without the mess of a full paint job.
Preparing Siding Before Restoring
Prep is simple, but it matters:
- Clean the surface first. The included Renu Cleaner Concentrate removes oxidation, algae, and dirt buildup that would otherwise sit under the restorer.
- Let it dry completely. Applying restorer over damp siding won't give you the result you're looking for.
- Test a small, inconspicuous spot. Especially useful if you're restoring an uncommon surface like stucco or metal roofing.
How to Apply Vinyl Renu – Three Easy Steps
The whole process is designed to be a manageable weekend project, not a multi-day ordeal:
- Clean the siding with Renu Cleaner Concentrate to remove oxidation, algae stains, and dirt.
- Allow the siding to completely dry.
- Apply Vinyl Renu with a quality brush, a handheld paint sprayer, or an airless sprayer.
That's it – no priming, no sanding, no taping off trim and windows the way a paint job would require.
Common Mistakes
A few things worth avoiding:
- Skipping the cleaning step. Restorers applied over oxidation and grime won't bond or look right.
- Applying wet siding. Give it time to dry fully before starting.
- Treating it like paint. Vinyl Renu doesn't need the prep work paint does – trying to prime or sand first is wasted effort.
- Assuming every restorer lasts as long. Cheaper products often fade again within a year or two; a quality formula is built to hold color for up to a decade.
Maintaining Restored Siding
Once it's done, upkeep is minimal:
- Regular gentle cleaning keeps dirt and algae from building back up.
- There's no yearly touch-up required the way there is with paint.
- Most homes won't need a second application for roughly a decade
Conclusion
Faded, oxidized vinyl siding doesn't have to mean an expensive repaint or a full replacement. A proper vinyl siding restorer can bring back the original color and shine in a weekend, for a fraction of the cost, and it holds up for years afterward. If your siding, shutters, garage door, or patio furniture has lost its shine, Vinyl Renu™ is built to bring it back.
Frequently Asked Questions
How do I remove oxidation from vinyl siding?
Every Vinyl Renu kit includes a concentrated cleaner and oxidation remover specifically formulated to strip away that chalky buildup before you restore the color underneath.
How long does Vinyl Renu last?
Up to 10 years on vinyl siding – roughly 2 to 5 times longer than paint on the same surface.
Is this the same as painting my siding?
No. Vinyl Renu is a water-based restorer that penetrates the siding to bring back its original color and shine, rather than sitting on top of it like a coat of paint. There's no priming, sanding, or taping required.
What's the difference between Vinyl Renu and Vinyl Renu Pro?
Vinyl Renu is built for homeowners restoring their own siding; Vinyl Renu Pro is a heavier-duty formula for contractors and larger jobs, with a 10-year warranty and coverage on additional surfaces like stucco/EIFS and metal roofing.
Can I use this on more than just siding?
Yes – it also works well on garage doors, patio furniture, mailboxes, metal siding, cement/Hardie board, and vinyl shutters.
Is there a way to try it before committing to a full project?
Yes. A free sample kit is available (just cover shipping), which includes both the Renu Cleaner Concentrate and enough Vinyl Renu restorer to test a small section before you buy the full kit.