Professional vs. DIY Spray Coating for Asphalt Shingles

Updated on : September 26, 2024
Title text and graphics with an image of workers spraying a roof

Summary

Professional roof maintenance services like Roof Maxx use eco-friendly oils to restore flexibility to asphalt shingles and can extend a roof’s lifespan by up to 15 years. In contrast, DIY spray-on coatings are cheaper but typically only offer short-term waterproofing without improving shingle condition. Professional applications also reduce the risk of installation errors, while DIY methods may be less reliable and can negatively impact the roof’s appearance.

Treating your shingles can help them last longer, but a professional maintenance service like Roof Maxx, where a trained dealer applies a plant-based penetrant, is very different from a DIY spray-on coating.

 

Making an informed decision about the roof treatments you use means carefully evaluating these different options—including their ingredients, application methods, and likely results. We’ve created this guide to help you get started so that you can take the right steps to protect the roof over your head.

Different Roofing Treatments: Professional Penetrants vs. DIY Coatings

Most approaches to treating a roof made of asphalt shingles fall into one of two categories:

  • Professional penetrants where you pay a company to spray a proprietary solution onto your roof. This solution then seeps into the shingles to revitalize them.
  • DIY roofing sprays that you can buy online or from a home improvement store and apply yourself. These are typically coatings that sit on top of the shingles after they’ve been applied.

Although both of these approaches involve spraying a solution onto the shingles, the results can be very different. Let’s explore both options in detail to give you a clearer idea of their pros and cons.


Learn More: The 2025 Buyer’s Guide to Roof Rejuvenation Products

Worker in protective suit using applicator to spray solution
Worker in protective suit using applicator to spray solution

Professional Roofing Treatment for Asphalt Shingles

Roof Maxx is a professional roof maintenance service for asphalt shingle roofs, built around a plant-based penetrant applied by a trained dealer. We apply an eco-friendly plant-based oil to your rooftop, which seeps in and replaces the oils that your shingles have naturally lost over time as they’ve been exposed to the elements.

Spraying a roof with Roof Maxx usually costs about 15-30% as much as the price of replacing the roof—but it can extend the lifespan of the shingles you already have by up to 15 years in some cases. This makes it a relatively cost-effective way to preserve the condition of your roof while improving its appearance.


Learn More: How Much Does Roof Maxx Cost?


Professionally applied roofing sprays also tend to come with warranties that can guarantee the quality of the treatment. For example, Roof Maxx comes with a 5-year warranty that begins on the date of your treatment.


Pros

  • Can extend the lifespan of asphalt shingles by up to 15 years
  • Professional installation reduces the likelihood of errors
  • Options like Roof Maxx come with warranties guaranteeing results for years
  • Considerably more affordable than full roof replacement

Cons

  • Typically more expensive than DIY spray-on products for asphalt shingles
Professional vs DIY Spray On Roof Coatings
Homeowner using applicator to apply DIY spray to roof shingles

DIY Spray-On Coatings

Search online and you’ll quickly find that there’s a wide variety of shingle coatings available. You’ll also notice that there’s a huge range in terms of what they cost, how much you get, and how they’re actually meant to be used.


The rule of thumb with roofing products is that you get what you pay for—yes, you can buy a spray for your rooftop that costs less than $20 on Amazon, but look carefully at what it actually does and you may find that it’s not quite the bargain you wanted.


Most spray-on options that you can apply yourself won’t actually restore the condition of asphalt shingles—they simply add a layer of silicone on top that can help make them more waterproof. But these can also alter the appearance of your shingles if you aren’t careful with how much you apply, and knowing exactly how much to apply can be difficult.


Pros

  • Some DIY spray-on products for asphalt shingles are extremely inexpensive
  • Can offer limited sealing or waterproofing

Cons

  • These products typically do not restore the actual condition of your asphalt shingles
  • You will still have to replace your roof after the standard length of time, which costs thousands

Different Roofing Treatments: Professional Penetrants vs. DIY Coatings

Here’s a comparison chart to help you see the differences between professional coatings and DIY spray-on products at a glance:

 

Professional Roof Maintenance Service

(e.g., Roof Maxx)

DIY Spray-On Coatings
Typical Cost~15–30% of the cost of roof replacementTypically inexpensive, starting as low as $20
Lifespan ExtensionUp to 15 yearsDoes not significantly extend lifespan
IngredientsEco-friendly, plant-based oilsOften silicone-based, primarily for waterproofing
Application MethodProfessionally applied by trained techniciansApplied by homeowner
WarrantiesOften includes a warranty (e.g., 5-year warranty)Rarely includes a warranty
Skill RequiredProfessional installation ensures correct applicationRequires DIY knowledge; prone to errors
Impact on AppearanceRestores shingles’ flexibility and appearanceCan alter appearance if not applied correctly
Environmental ImpactLow, uses eco-friendly materialsVaries depending on the product
Overall Cost-EffectivenessCost-effective long-term solutionShort-term fix, may not provide significant savings overall
Infographic showing the Roof Maxx revitalization pros outweighing the DIY cons
Infographic showing the Roof Maxx revitalization pros outweighing the DIY cons

Choosing the Best Option for Your Roof

Ultimately, the best kind of spray you purchase for your roof will depend on your needs as a homeowner. If you’re simply looking for a temporary sealant or minor weatherproofing, it might be okay to purchase an inexpensive DIY product online or from a store in your area.

 

But if you want to protect the asphalt shingles on your roof and help them last for years to come, a professional maintenance service like Roof Maxx is the only real choice. Learn more about how much you could save and get a free estimate here.

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Picture of Allen Clements
Allen Clements
A longtime filmmaker, homeowner, and lover of nature, Allen brings clarity and emotion to content that resonates. He helps shape Learning Hub pieces that connect deeply with both homeowners and business customers—often highlighting the natural side of homeownership that Roof Maxx proudly supports.
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