Elastomeric Roof Coating in Mesa AZ
Elastomeric roof coating is one of the most effective ways to extend your existing roof's life by 10 to 15 years without a full replacement. Johnny's Roofing has been applying elastomeric coatings across Mesa and the East Valley for over 40 years, protecting homes from the punishing Arizona sun and destructive monsoon seasons.
Elastomeric coating is an acrylic polymer system that forms a flexible, waterproof membrane over your existing roof surface. What makes it particularly well-suited for Mesa is its ability to stretch and contract with temperature changes. Rooftops here can swing from 60 degrees at dawn to well over 160 degrees by mid-afternoon, and a rigid coating would crack under that stress. Elastomeric coating moves with the roof. It also reflects UV rays, which reduces heat absorption into your home and lowers energy usage during the brutal summer months.
When Elastomeric Coating Is the Right Choice
Elastomeric coating is not the answer for every roof, but when conditions are right, it delivers outstanding protection. Here are the situations where coating makes the most sense:
Your Flat Roof Shows Early Wear
Hairline cracks, minor surface erosion, and chalking are early warning signs that your roof membrane is losing its battle with the Arizona elements. Elastomeric coating seals these problem areas before they develop into active leaks. This is preventive maintenance -- it will not fix major structural damage or large punctures that already need repair.
Your Existing Coating Is Fading
If your roof was coated years ago and the surface has worn thin, lost its reflectivity, or is no longer beading water effectively, it is time to recoat. A fresh application of elastomeric coating restores the waterproof barrier and UV protection your roof depends on in Mesa's climate.
You Want to Reduce Energy Bills
White elastomeric coating reflects up to 90% of UV rays, keeping your roof surface dramatically cooler than an uncoated surface. Mesa homeowners consistently notice the difference in their summer cooling load. A cooler roof means your air conditioning runs less, especially during June through September when rooftop temperatures are at their peak.
Your Roof Is Sound but Aging
When the underlying structure and membrane of your flat roof are still intact but the surface needs protection, coating is a smart alternative to premature replacement. It adds years of service life to a roof that is structurally fine but cosmetically and functionally worn. If your roof needs flat roof repair in Mesa instead, we can assess that during our inspection.
Elastomeric coating provides a seamless waterproof barrier for Mesa flat roofs
Our Elastomeric Coating Process
Proper application is what separates a coating that lasts 15 years from one that fails in 3. Here is how we approach every elastomeric coating job:
- Roof Inspection -- We assess the current condition of your roof, identify any repairs that must be completed before coating, and determine whether your roof is a good candidate for elastomeric coating.
- Surface Preparation -- We clean the entire roof surface, remove debris and loose material, and repair any cracks, blisters, or damaged areas. A coating is only as good as the surface beneath it.
- Primer Application -- We apply a bonding primer appropriate for your specific roof material. This step ensures the elastomeric coating adheres properly and creates a lasting bond with the substrate.
- Coating Application -- Multiple coats of elastomeric coating are applied by brush, roller, or spray, depending on the roof layout and conditions. We allow proper dry time between each coat to ensure full thickness and uniform coverage.
- Final Inspection -- We verify coverage, measure coating thickness, and confirm proper curing before considering the job complete. We walk through the results with you so you know exactly what was done.
We also provide ongoing maintenance and recoating services to keep your roof protected year after year. If your flat roof needs structural repair before coating, see our flat roof repair services. For other roof types, visit our Mesa roof repair page or view our full list of roofing services.
Why Mesa Homeowners Choose Johnny's Roofing
- 40+ years of experience - Serving Mesa since 1983
- Family-owned, three generations - You work directly with our family
- Senior community specialists - We know Dreamland Villa, Sunland Village, and Leisure World roofs. We are Dreamland Villa residents.
- Licensed and insured - ROC #333933
- Free estimates - No obligation, honest assessments
- Clean job sites - We respect your property
Learn more about our family roofing business and our commitment to quality.
Signs Your Roof Needs Elastomeric Coating
Not sure if your roof is ready for a new coating? Watch for these warning signs:
- Visible wear, chalking, or fading on existing roof surface
- Small hairline cracks appearing on your flat roof membrane
- Previous coating has worn thin or is peeling
- Roof surface no longer repels water effectively
- Higher-than-normal summer cooling bills
- Roof is approaching 10+ years since last coating
- You can see the underlying membrane material through worn coating
- Dark patches where the reflective surface has eroded
If you notice any of these signs, call us for a free roof inspection. Addressing coating wear early prevents more serious damage to the roof membrane underneath.
Frequently Asked Questions
How long does elastomeric roof coating last in Arizona?
Elastomeric roof coating typically lasts 10 to 15 years in Arizona conditions. The actual lifespan depends on several factors: the quality of the coating product used, the number of coats applied, and how well the roof is maintained over time. UV exposure and the extreme temperature swings we experience in Mesa are the primary degradation factors. Roofs with proper preparation and multiple coats tend to reach the upper end of that range, while single-coat applications or poorly prepped surfaces may need attention sooner.
Can you apply elastomeric coating over an existing coating?
Yes, in many cases we can apply a new coat of elastomeric coating directly over an existing coating, provided the existing layer is still in reasonable condition. Before recoating, we clean the surface thoroughly, remove any failing or peeling areas, and perform adhesion testing to confirm the new coating will bond properly. If the existing coating is severely deteriorated, cracking extensively, or lifting from the substrate, it needs to be removed before we can apply a fresh system. We evaluate this during our initial inspection and give you an honest assessment.
When is the best time of year to coat a roof in Mesa?
Spring (March through May) and fall (October through November) are the ideal windows for elastomeric roof coating in Mesa. During summer, the extreme heat causes the coating to cure too rapidly, which prevents it from bonding properly to the roof surface and can result in premature failure. Winter mornings can drop below the minimum application temperature, which also compromises adhesion. We also need several consecutive dry days for the coating to cure fully between coats, which is why we avoid scheduling during the monsoon season when afternoon storms are unpredictable.
Get Your Free Elastomeric Coating Estimate
Call us today or fill out our contact form. We'll inspect your roof and provide an honest assessment.
Licensed (ROC #333933) | Insured | Family-Owned Since 1983
Request Your Free EstimateService Areas
We provide elastomeric roof coating throughout Mesa and the East Valley, including:
- Mesa (85201, 85202, 85203, 85204, 85205, 85206, 85207, 85208, 85209, 85210, 85212, 85213)
- Dreamland Villa
- Sunland Village
- Leisure World
- Apache Wells
- Apache Junction
- Gilbert
- Tempe
- Chandler