The 2025 Buyer’s Guide to Roof Rejuvenation Products

Published on December 3, 2024
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Summary

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  • Roof rejuvenation treatments extend the life of asphalt shingles, offering a cost-effective alternative to roof replacement.
  • Roof Maxx is the top professional treatment, using a soy-based formula to restore flexibility and weatherproofing, extending roof life by up to 15 years.
  • Other professional options may improve shingle flexibility and grit retention, but these use different formulations and results may vary. Be sure to check tests, studies, and reviews on these products.
  • DIY coatings like Henry Tropi-Cool® and Liquid Rubber Waterproof Sealant can provide additional waterproofing and UV protection for flat roofs. If used on shingles, many of these products may trap moisture in the structure due to lack of permeability. This can cause mold and rot in the underlying structure.
  • Roof cleaners such as Wet & Forget and Spray & Forget prevent moss, mold, and algae, protecting roof longevity in moist, shaded environments.

Roof rejuvenation—the process of treating the shingles on your roof so they last longer instead of replacing them outright—is an idea that’s been steadily gaining ground with US homeowners for the last few years. In fact, while Roof Maxx is one of the most established and trusted roof rejuvenation treatments on the market, there’s now a range of products and services you can purchase to help extend the lifespan of your asphalt shingles.

So how do you choose between the options that are worth it and the ones that aren’t? That’s where we come in. Below, we’ve categorized and ranked the best roof rejuvenation products available to homeowners so you can make informed decisions about how to use your home improvement budget for 2025.

Professional Roof Rejuvenation Treatments

These treatments are applied by certified professionals and formulated to rejuvenate asphalt shingles by restoring their flexibility, waterproofing, and UV resistance.
Roof Maxx worker applying roof rejuvenation to residential home

What they’re for: Typically, professional treatments offer better long-term reliability than DIY products. You might pay more at the front end, but you can rest assured that your entire roof will be properly treated. You’ll also avoid the time, effort, and potential dangers associated with working on your roof by yourself.

Best Overall: Roof Maxx

Why

Roof Maxx isn’t just one of the first roof rejuvenation treatments—it’s also one of the most popular, trusted, and eco-friendly options. It uses a soy-based formula to replace the oils your shingles naturally lose over time, extending roof life by up to 15 years. Each treatment is backed by a 5 year warranty.

Numerous studies show that Roof Maxx makes your shingles stronger and more flexible, while also improving their resistance to the elements—including hail and fire. And with an average rating of 4.9 out of 5 stars from over 12,000 customers, you can trust it to perform as advertised.

Professionally applied roof rejuvenation treatments on most single-family homes can be done in just a couple of hours.

Key Features

  • Soy-based, eco-friendly formula
  • Restores flexibility and weatherproofing of shingles
  • Extends roof life by up to 15 years

Price

Costs up to 80% less than fully replacing your roof.

(Cost varies depending on size, style, condition of roof, and region.)

Runner-Up: Peak 301

Why

Peak 301 uses similar technology as Roof Maxx to treat your shingles and potentially improve their lifespan. Reviews of Peak 301, a roof rejuvenator, are generally positive, with some noting its effectiveness, affordability, and environmental friendliness.

Key Features

  • Focused on improving flexibility and grit retention
  • Flushes out brittle and breakable elements that could cause leaks
  • Triggers chemical reactions inside the shingle’s asphalt components

Price

Costs up to 75% less than full roof replacement.

(Cost varies depending on size, style, condition of roof, and region.)

Best DIY Roofing Elastomeric Coating

These aren’t the same as professional rejuvenation treatments, but the best of them can add an extra layer of waterproofing and UV protection to your shingles.
Product image of Henry Tropi-Cool® Roof Coating

What they’re for: DIY sealants can be useful for handy homeowners who want to add a layer of temporary and inexpensive protection to shingles that are already in good condition.

These products are relatively easy to apply with basic tools like sprayers or rollers—although you’ll still have to take the risk of getting up on your roof, and you’ll need to make sure you apply the product correctly to avoid leaving gaps or altering your roof’s appearance. Note that it could take a day or more to do a project like this yourself.

Learn More: Professional vs. DIY Spray-On Roof Coating for Asphalt Shingles

Best Overall: Henry Tropi-Cool® Roof Coating

Why

Henry Tropi-Cool® is a silicone-based roof sealant that provides exceptional UV protection and waterproofing. Its highly reflective coating helps reduce roof temperatures and energy costs, making it a great option for homeowners in hotter climates.

Key Features

  • Silicone-based formula for long-lasting waterproofing
  • Reflects UV rays to reduce roof temperature
  • Suitable for extreme temperatures and weather conditions

Price

Around $2,700 for 36 gallons which would treat the roof of an average single-family home.

Runner-Up: Liquid Rubber Waterproof Sealant

Why

Liquid Rubber Waterproof Sealant is an excellent DIY option for homeowners who want a versatile, easy-to-apply solution. This product creates a thick, durable waterproof membrane that provides long-lasting protection against leaks and weather damage. It works on a variety of surfaces, including asphalt shingles, and can be applied with a brush, roller, or sprayer.

The sealant is flexible, which makes it ideal for roofs that experience expansion and contraction due to temperature changes. It’s also UV-resistant, helping to protect against sun damage over time.

It is important to note that this product is only for flat or low-sloped roofs and will not work on sloped asphalt shingle roofs.

Key Features

  • Creates a durable, waterproof membrane
  • Works on various surfaces, including asphalt shingles
  • UV-resistant and flexible for temperature changes

Price

Around $6,000 for 154 gallons which would treat 2,300 ft2 of flat or low slope roof.

Best Roof Cleaner

These products won’t restore the flexibility or durability of your shingles, but they’re formulated to prevent and kill moss, mold, mildew, algae, and other contaminants that can damage your roof over time.
Product image of Wet & Forget Moss, Mold, Mildew & Algae Stain Remover

What they’re for: Roof cleaners help protect against biological growth that can eat away at shingles and cause leaks. They are easy to apply and are essential for homes in moist, shaded environments where moss and algae thrive.

WARNING: Using a bleach-based roof cleaning product will dry asphalt shingles causing brittleness, cracking, and early failure.  It is extremely important to apply these cleaners correctly, rinse them with water at the appropriate time, and have Roof Maxx or another Roof Rejuvenation product applied promptly after the cleaning.

Be Careful! These products are extremely slippery and when paired with working on a roof can be dangerous and even deadly. We recommend getting a professional to clean your roof if possible.

Best Overall: Wet & Forget Moss, Mold, Mildew & Algae Stain Remover

Why

Wet & Forget is a go-to solution for homeowners who want to clean their roofs without the hassle of scrubbing or power washing. It’s a non-caustic formula that’s incredibly easy to apply—simply spray it on and let it work over time to eliminate moss, mold, and algae.

Wet & Forget provides long-lasting results and is safe for a variety of surfaces, making it ideal for roofs, siding, and decks alike. This product is praised for its ease of use and effectiveness.

Key Features

  • Easy to apply, no scrubbing or power washing needed
  • Prevents moss, mold, and algae growth
  • Safe for multiple surfaces, including roofs, decks, and siding

Price

Typically costs $30 to $50 per gallon (covers up to 1,500 sq ft).

Runner-Up: Spray & Forget Revolutionary Roof Cleaner

Why

Spray & Forget is a similar product that offers concentrated, long-lasting protection against moss, algae, and mold. Like Wet & Forget, it doesn’t require scrubbing or rinsing, and it’s known for its strong performance in preventing regrowth for months after application.

Spray & Forget is slightly more concentrated, which gives it a bit of an edge in terms of coverage and long-term prevention.

Key Features

  • No rinsing or scrubbing required
  • Concentrated formula provides long-term protection
  • Works on roofs, walls, and other outdoor surfaces

Price

Typically costs $40 to $60 per gallon (covers up to 2,000 sq ft).

Give Your Roof the Best Possible Protection in 2025

Professional roof rejuvenation offers a cost-effective and eco-friendly way to extend the life of your roof, and certain DIY solutions can supplement this approach by removing contaminants or adding an additional layer of waterproofing. Taking these steps to maintain your roof now can save you thousands of dollars in repairs or replacement costs down the road.

With these trusted products in your arsenal, you can confidently tackle roof maintenance in 2025 and beyond. For more information, contact our team at Roof Maxx—we’re here to help extend the lifespan of the roof over your home, multi-family, or commercial property and we’re looking forward to hearing from you!

Frequently Asked Questions about Roof Maxx for Roof Rejuvenation

Runner-Up: Spray & Forget Revolutionary Roof Cleaner

Roof Maxx’s proven track record sets it apart from other professional treatments. It’s also backed by studies showing that its plant-based formula strengthens shingles, restores flexibility, and significantly improves resistance to weather damage—including hail, wind, and fire.

Do I actually need to waterproof my shingles?

Waterproofing shingles can provide additional peace of mind for homeowners in areas prone to heavy rain or extreme weather. While a DIY sealant can be an inexpensive way to waterproof, roof rejuvenation treatments like Roof Maxx also restore the natural water resistance of your aging shingles, preventing leaks and further damage.

How does Roof Maxx help reduce waste and support environmental sustainability?

Roof Maxx helps reduce the amount of roofing materials that end up in landfills by extending the life of your existing shingles instead of replacing them. Every year, millions of tons of asphalt shingles are discarded during roof replacements. By rejuvenating your roof with Roof Maxx, you can avoid contributing to this waste, helping reduce your environmental impact.

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Picture of Georgios Karakitsios
Georgios Karakitsios
"George Karakitsios owns the website and marketing technology behind Roof Maxx. He has spent more than 12 years building web experiences for homeowners and Roof Maxx customers"

Five Year Transferable Warranty

With our five-year, transferable warranty, you’ll enjoy the peace of mind that your roof and entire home are protected.