Commercial Roof Coatings in Rochester, NY

Improve the Condition of Your Commercial Roof Without Replacing It

Rochester's commercial buildings take a beating. Heavy snowfall, ice dams, freeze-thaw cycles, summer UV exposure, and wind-driven rain all work against your roofing system year after year. Eventually, that constant stress shows up as cracks, blistering, ponding water, and leaks that threaten your interior, your inventory, and your daily operations.

But visible wear doesn't always mean you need a full roof replacement. If the underlying structure is still solid, a professionally applied commercial roof coating can seal your existing system, stop active leaks, and add 10 to 20 years of useful life at a fraction of the cost of tear-off and replacement.

Carter Exteriors provides commercial roof coatings in Rochester, NY for warehouses, office buildings, retail centers, manufacturing facilities, churches, multi-family properties, and institutional buildings across the region. We assess every roof individually, recommend the right coating system for your specific membrane, and apply it with the precision that long-term waterproofing demands.

Call 585-438-7663 to schedule a free roof coating evaluation, or contact our commercial roofing team online.

Commercial Roof Coating Types: Silicone, Elastomeric, and Acrylic

Not all roof coatings are interchangeable. Each system has different chemical properties, performance characteristics, and ideal applications. Choosing the wrong coating for your roof type or climate conditions can lead to premature failure. Carter Exteriors helps you select the right match based on a thorough assessment of your existing roof system.

Silicone Roof Coatings

Silicone roof coatings are the top choice for commercial buildings in Rochester, NY where ponding water is a concern. Unlike other coating chemistries, silicone doesn't absorb water and won't break down when submerged for extended periods. This makes it especially well suited for flat and low-slope roofs where drainage is limited or where slight dips in the roof deck hold standing water after rain or snowmelt.

Key advantages of silicone roofing systems include:

Exceptional resistance to ponding water with no moisture absorption

High UV reflectivity that reduces rooftop temperatures

Remains flexible in Rochester's sub-zero winter temperatures

Does not chalk, crack, or harden over time

Single-coat application is often sufficient for full coverage

Silicone is ideal for EPDM, TPO, and modified bitumen roofs where long-term waterproofing and weather resistance are the primary goals. For facilities with known drainage issues, it's the most reliable option available.

Elastomeric Roof Coatings

Elastomeric coatings are built to stretch and recover. They expand with the roof surface during summer heat and contract in cold weather without cracking or pulling away from seams. This expansion and contraction performance makes elastomeric coatings a strong choice for metal roofing, BUR systems, and any commercial roof exposed to wide temperature swings throughout the year.

Benefits of elastomeric roof coating systems:

High elongation and tensile strength for thermal movement

Strong adhesion to metal panels, BUR, and modified bitumen

Excellent weather resistance in Rochester's variable climate

Creates a waterproof, monolithic membrane over the existing roof

Available in various thicknesses for different performance requirements

Carter Exteriors frequently applies elastomeric coatings on commercial buildings with metal panel roofs, where seam movement from thermal cycling is the leading cause of leaks. If your building has fastener-back-out issues or seam separation, an elastomeric coating can bridge those gaps and restore watertight integrity.

Acrylic Roof Coatings

Acrylic coatings are a water-based option known for high reflectivity and UV protection. They perform best in climates with moderate rainfall and good roof drainage because acrylics are not as tolerant of ponding water as silicone. However, for roofs with proper slope and drainage, acrylic coatings deliver strong energy savings by reflecting solar radiation and reducing cooling loads.

When acrylic makes sense for your building:

Roofs with positive drainage and no standing water

Buildings where energy efficiency is a top priority

Properties seeking a lower-cost coating solution for roofs in good condition

Metal roofs that need reflective protection without heavy buildup

Acrylic coatings are typically the most budget-friendly option upfront. Our team will tell you directly if your roof's drainage conditions make acrylic a good candidate, or if silicone or elastomeric would give you better long-term results.

Which Commercial Roof Systems Can Be Coated?

Roof coatings are compatible with most commercial roofing systems, but not every roof is a good candidate. The existing membrane needs to be structurally sound with no widespread moisture saturation in the insulation below. Carter Exteriors performs a professional roof inspection and moisture assessment before recommending a coating system.

Common roof types we coat in Rochester:

EPDM (rubber) roofing: Aging EPDM membranes with surface cracking, seam separation, or UV degradation respond well to silicone coatings. We treat seams and flashings first, then apply a full-coverage coating. Learn more about our rubber roof coating services.
TPO roofing: TPO membranes that have lost weld integrity at heat-welded seams can often be restored with proper surface prep and a compatible coating system.
Metal roofing: Standing seam, corrugated, and R-panel metal roofs develop rust, fastener leaks, and seam gaps over time. Elastomeric and silicone coatings seal these vulnerabilities and prevent further corrosion. Explore our metal roof coating options.
Built-up roofing (BUR): Multi-layer built-up roofs with gravel or cap sheet surfaces can receive coatings once the surface is cleaned and loose aggregate is removed.
Modified bitumen: Both SBS and APP modified bitumen roofs accept coatings well, particularly when the cap sheet is still adhered but the granule surface is wearing thin.
Flat roof systems: Any flat or low-slope commercial roof with a structurally intact deck is a potential coating candidate. See our flat roof coating page for additional detail.

When coating isn't enough: If more than 25% of your roof deck insulation is saturated, or if the structural deck has sustained damage, a coating won't solve the problem. In these cases, Carter Exteriors will recommend targeted commercial roofing services or a full roof restoration instead. We'll never sell you a coating when your building needs something more.

Roof Coating vs. Roof Replacement: Cost and ROI

Full commercial roof replacement is expensive. Beyond material and labor costs, you're dealing with tear-off waste, potential business disruption, and weeks of construction activity overhead. A roof coating system can deliver comparable protection at a fraction of the investment.

Here's how the economics break down for most commercial properties:

Up to 50% lower cost compared to full roof replacement on qualifying roofs
No tear-off required, which eliminates demolition labor, dumpster fees, and landfill costs
Minimal business disruption since coating application is quieter and faster than a full re-roof
Extended lifecycle of 10 to 20 additional years, depending on the coating system and maintenance
Reduced long-term maintenance costs because the monolithic membrane eliminates seam and fastener weak points. Even if the coating eventually wears off, you can apply another coat rather than starting from scratch

For property managers budgeting capital expenditures, a coating system shifts a major capital expense into a more manageable maintenance investment. It also delays the clock on a full replacement, giving you time to plan and allocate funds without risking water damage in the interim.

Energy Efficiency and Reflective Roof Coatings

Dark-colored roofing membranes absorb solar heat, which transfers into your building and forces your HVAC system to work harder. This is especially noticeable in large commercial spaces like warehouses, retail centers, and manufacturing floors where cooling costs can represent a significant share of operating expenses.

Reflective roof coatings, particularly white silicone and acrylic systems, bounce solar energy away from the roof surface instead of absorbing it. The results are measurable:

Rooftop surface temperatures can drop by 50 to 80 degrees on summer days
Interior temperatures become more consistent, reducing HVAC cycling
Cooling costs are typically reduced, especially in buildings without heavy insulation
UV degradation of the underlying membrane slows significantly, extending roof system performance

Even in Rochester's northern climate, summer heat load is a real factor for commercial buildings with large roof footprints. The reflective properties of a quality coating improve both comfort and operating efficiency throughout the warmer months, while the waterproof barrier works year-round against rain, snow, and ice.

Our Roof Coating Application Process

Carter Exteriors follows a structured, multi-step process on every commercial roof coating project to make sure the system bonds properly and performs for its full expected lifespan.

Detailed Roof Inspection

We examine the entire roof surface, flashings, penetrations, drains, and edge details. We document existing damage, membrane condition, and areas of concern.

Moisture Assessment and Surface Cleaning

Using infrared scanning or core sampling, we identify areas where water has penetrated the membrane and saturated the insulation. We power-wash the roof to remove dirt, debris, algae, and oxidation. Proper adhesion depends on a clean, dry surface.

Repairs and Seam Treatment

All open seams, cracked flashings, failed penetration boots, and damaged areas are repaired before any coating is applied. Seams are reinforced with fabric mesh and sealant as needed.

Primer Application and Coating Installation:

Depending on the existing membrane type and coating chemistry, we apply a compatible primer to promote maximum adhesion between the old surface and the new coating. We then apply the coating at the manufacturer's specified thickness using spray, roller, or squeegee application, depending on the product and roof conditions.

Final Inspection and Quality Control

After curing, we inspect the finished coating for proper thickness, adhesion, and coverage uniformity. We check every penetration, edge, and transition point before signing off on the project.

Ready to find out if your commercial roof qualifies for a coating?

Call Carter Exteriors at 585-438-7663 or request a roof coating evaluation online.

Why Rochester Property Owners Choose Carter Exteriors

Applying a roof coating sounds straightforward, but the details matter enormously. The coating chemistry has to be compatible with the existing membrane. Surface prep has to be thorough. Mil thickness has to meet manufacturer specifications across the entire roof. Flashings and transitions need extra reinforcement. All of this requires a contractor who understands commercial roofing systems from the substrate up.

Carter Exteriors brings that level of knowledge to every coating project. Our team has hands-on experience with EPDM, TPO, PVC, metal, BUR, and modified bitumen roofs. We understand how each system ages, where each one typically fails, and which coating chemistry gives the best result for each situation.

We also focus on honesty. If a coating won't fix your problem, we'll tell you. If your roof needs targeted repairs or a full commercial roof restoration, we'll explain why and walk you through the alternatives. Our goal is to protect your building and your budget, not to sell a product.

Read What Our Customers Are Saying

Carter Roofing & Exteriors - Roofing Services

4.7

Based on 162 reviews

review us on

Kelly Hertzog

1 month ago

I cant say enough great things about Jim and his crew. Jim was very thorough during the initial process, helping me understand how the tear off was going to work and answering any of my question I had along the way whether in person or phone call. The crew was great and very efficient. Clean up was absolutely amazing.
Would highly recommend!!

Nancy Brown

3 months ago

I highly recommend this company. They came to my house at night on an emergency call when I had water leaking into my kitchen. They diagnosed and fixed it in the rain, in the dark. Very professional and fair price.

Tim Warren

6 months ago

High level, yes I would definitely recommend Carter. Price, knowledge, quality of work, cleanup, all great. I am usually squeamish going with the low quote. Really paid off this time.

More detailed:
The sales process was great. It wasn't some random 20-something who had never been on a roof. Jim knew the business and process. I wanted a metal roof. He could have just gone with it but instead he really questioned me about why that was what I wanted. He wanted to be sure I would get the value out of the more expensive option. I even received a quote for a traditional asphalt roof in addition to the metal. They are out to get you the right solution for your application rather than the most expensive option.

I made the mistake of scheduling in the fall so project start got pushed a few times but that wasn't Carter's fault. They were pretty good about getting back to me when I called and didn't mind answering the same questions multiple times. Both Jim and the owner Austin were on site throughout the installation and cleanup to be sure everything was done right.

Overall, great quality, great experience.

Tonie

8 months ago

Website looks professional.

Tinisha Williams

8 months ago

I really enjoyed the service that they provided me.

Maria grevstad

8 months ago

Carter Roofing and Exteriors did an amazing job! The crew was super friendly, showed up on time, and worked efficiently. My roof looks great, and they made the whole process stress-free. I really appreciate their honesty and quality work — definitely recommend them to anyone in Rochester looking for reliable roof or exterior services!

Kleiner Leon-A

8 months ago

Carter Roofing & Exteriors presents themselves as a trustworthy and professional company. Their website is clean, their services are clearly explained, and they showcase their certifications and past work in a way that builds confidence. Even without being a customer yet, their online presence gives a strong first impression that they take quality and communication seriously

Craig Zaremba

12 months ago

We contacted four contractors for estimates and Carter Exteriors was the best deal. Their communication and customer service was outstanding. We had 20 square of shingles and 20 sheets of sheathing replaced. Their crew arrived at 7:30. They were curtious, polite, hard working. The roll off was in our driveway for less than 24 hours. All materials were delivered and installed the same day. Yard and gardens were cleaned and any evidence of a roof job were eliminated. The attention to detail regarding step flashing and double flashing around chimney were excellent. I would hire and recommend their company for any exterior job.

David Fischer

3 years ago

We just had our roof done and what an amazing experience! From JD in sales, Jim and Hunter on site and the crew…I’m not sure you’ll find better installers in the Roc!! We are VERY pleased with the outcome of our roof and we highly, HIGHLY recommend Carter Exteriors!! Well done! (….clapping)

Frequently Asked Questions About Commercial Roof Coatings

1How long does a commercial roof coating last?

Most commercial roof coatings last between 10 and 20 years, depending on the coating type, application thickness, roof conditions, and how well the roof is maintained. Silicone coatings tend to last the longest, particularly on flat roofs with ponding water exposure. Regular inspections and minor maintenance touch-ups can push performance toward the higher end of that range.

2What is the difference between silicone and elastomeric roof coatings?

Silicone coatings excel at resisting ponding water and UV exposure. They don't absorb moisture and maintain their integrity in wet conditions. Elastomeric coatings are designed for flexibility, stretching with thermal expansion and contraction without cracking. Silicone is usually the better choice for flat roofs with drainage issues, while elastomeric works well on metal roofs and systems that experience significant temperature-driven movement.

3How much does a commercial roof coating cost?

Costs vary based on roof size, existing condition, required repairs, and coating type. As a general guideline, coating a commercial roof can cost up to 50% less than a full replacement. The specific price depends on how much preparation work the roof needs before the coating can be applied. Carter Exteriors provides free on-site evaluations and detailed estimates for every project.

4Does a roof coating require maintenance after installation?

Yes, but it's minimal. We recommend annual inspections to check for any physical damage from foot traffic, fallen debris, or mechanical equipment work. Keeping drains clear and removing accumulated debris helps the coating perform at its best. If small areas wear thin over time, they can be touched up without recoating the entire roof.

5Can a roof coating fix an existing leak?

A coating can prevent future leaks and seal minor surface-level vulnerabilities, but it's not a substitute for repairing active leak sources. Before applying a coating, Carter Exteriors identifies and fixes the root cause of any leaks, whether that's failed seams, cracked flashings, or damaged penetration boots. Once those repairs are completed, the coating creates a continuous waterproof barrier that prevents new leaks from developing.

6Can you coat a roof that has already been coated before?

In many cases, yes. If the existing coating is still adhered and the underlying roof is in acceptable condition, a new coat can be applied over the old one after proper cleaning and preparation. This recoatability is one of the major advantages of coating systems over traditional roofing. It means your next renewal is even simpler and less expensive than the first.

7How long does it take to coat a commercial roof?

Application timelines depend on roof size, the extent of repairs needed, and weather conditions. A straightforward coating project on a 10,000-square-foot roof might take 3 to 5 days including prep work. Larger or more complex roofs with significant repair needs can take longer. Carter Exteriors schedules work to minimize disruption to your business operations and coordinates around weather windows for optimal curing conditions.

8Is a roof coating a good option for a flat roof?

Flat roofs are actually the most common candidates for coating systems. Because flat roofs are especially vulnerable to ponding water, UV exposure, and membrane wear, coatings provide a direct solution to all three problems. Silicone coatings, in particular, are engineered for flat roof environments where standing water is a persistent issue. If your flat roof's structure and insulation are sound, a coating is almost always worth evaluating before committing to replacement.

Get a Free Roof Coating Evaluation in Rochester, NY

Whether you manage a single commercial building or oversee a portfolio of properties, Carter Exteriors can help you determine if a roof coating is the right investment. We'll inspect your roof, test for moisture, and give you an honest recommendation. No pressure, no upselling, just a clear assessment of your options.

Call 585-438-7663 today to schedule your free evaluation

Request a roof coating evaluation