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Metal Roof
Coating

Roof Coating for Industrial and Commercial Buildings

If you stand on a warehouse catwalk above the Cumberland River, or on the parapet of a Knoxville tech plant, you’ll see acres of corrugated metal glinting in the sun.  Many of those roofs are 15, 20, even 30 years old, still structurally sound, yet showing oxidation around screws, leaks dripping onto the work floor, crazed gaskets at HVAC curbs, and faded paint that no longer reflects the Tennessee heat the way it did when it left the roll-former.  A full tear-off may feel inevitable, but there’s a smarter middle path, a fluid-applied roof coating that seals seams, bounces sunlight, and adds a decades of service life for a fraction of the cost and disruption of replacement.
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A Section 179D deduction of up to $5 per square foot may be available for qualified energy-efficient commercial building projects! Call about our cool roof energy-efficient coatings for your business!
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A reflective roof coating reduces heat gain in Tennessee summers

Tennessee summers are known for intense sun and high heat. A light-colored or reflective roof coating acts like a shield, bouncing away a large portion of the sun’s energy instead of letting the metal roof absorb it. This can keep roof surfaces much cooler. In fact, an uncoated dark metal roof might reach 140°F in the midday sun, whereas a reflective white coating can be dozens of degrees cooler. By reducing heat transfer into the building, coated roofs help keep interior spaces cooler and ease the load on air conditioning systems. Many Tennessee businesses and homeowners see noticeable drops in their cooling bills, as reflective “cool roof” coatings can cut energy use by around 7–15% during hot months. In large warehouses or barns without air conditioning, the difference in comfort is dramatic when the roof stays cooler. During a steamy Nashville summer, a reflective coated roof means a less sweltering attic or work area underneath, improving comfort and saving money on cooling.
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Fluid-applied coatings extend a metal roof’s lifespan despite Tennessee’s weather extremes

A fluid-applied coating serves as a durable armor that shields metal roofs from the elements. In Tennessee, roofs endure everything from intense UV rays and summer thunderstorms to occasional winter ice. Over years, this cycle of sun, rain, and temperature swings can cause uncoated metal to rust, corrode, or develop leaks at seams and fasteners. By covering the entire roof with a seamless, waterproof membrane, a coating prevents moisture from seeping into tiny cracks or screw holes that would otherwise expand into leaks. The coating is also flexible, meaning it expands and contracts with the metal during temperature changes without cracking. This is crucial in a place like Nashville, where a chilly winter night might be followed by a warm sunny day. Because the coating reduces direct weather exposure on the metal panels, it significantly slows down deterioration. Even during the occasional Middle Tennessee hailstorm, a quality coating provides an extra buffer that can help absorb the impact and prevent minor dents or scratches from turning into corrosion spots. As a result, Tennessee homeowners and facility managers can get many more years out of their metal roofs before needing to consider a costly replacement.
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Roof coatings help keep Tennessee homes and businesses comfortable year-round

Beyond just saving energy, a coated metal roof can make the interior of a building more comfortable in all seasons. In summer, by reducing heat infiltration, it keeps top-floor rooms and attics cooler. In winter, the same sealed coating can help retain a bit more warmth by plugging small gaps where heat might escape, though metal roofs are typically not insulating on their own. Importantly for Tennessee’s climate, a coating also can dampen the noise of rain. Anyone with a metal roof in Nashville knows how loud rainstorms can be. The rubbery layer of a fluid-applied coating softens the pinging of raindrops, making thunderstorms passing over a metal barn or home a little quieter inside. With a coating, indoor temperatures remain more stable throughout the day, and occupants—whether a family in a farmhouse or employees in a warehouse—experience a more comfortable environment without constant HVAC adjustments.
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UV-resistant roof coatings shield metal roofs from Tennessee’s intense sun

Tennessee may not be a desert, but we still get plenty of intense sunshine—especially during our long summer days. The ultraviolet (UV) rays in sunlight can break down the paint and top layer of an unprotected metal roof over time. On barns or buildings that get full sun exposure, it’s common to see the original paint finish start fading or chalking after years of UV beating down. A UV-resistant roof coating acts like sunscreen for your metal roof. It reflects and blocks a large portion of that harmful UV radiation, preserving the roof’s surface. This means the metal panels underneath don’t degrade as fast, maintaining their structural integrity and color much longer. For example, a red metal barn roof that would normally fade to pink in a few years under the hot sun can keep its color richer for far longer with a protective coating. By taking the brunt of the sun, the coating helps your roof look better and stay waterproof without sun-caused cracks or brittleness forming. It’s an especially valuable benefit in sunny southern climates like Nashville and Knoxville where roofs bake under direct sun each summer.
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Seamless roof coatings prevent leaks during Tennessee’s heavy rains and storms

Downpours in Tennessee can be torrential. When it rains, it truly pours here. Nashville sees about 47 inches of rain in an average year, often coming in thunderous bursts that test a roof’s waterproofing. Fluid-applied coatings form a continuous, seam-free layer over a metal roof, which is a huge advantage in keeping water out. Normally, metal roofs have many seams and screw holes that can become potential leak points as the roof ages. A coating seals over those joints and fasteners, eliminating the tiny gaps where rainwater could sneak in. Even during springtime storms or the remnants of a Gulf hurricane passing through Tennessee, a coated metal roof will shed water like a duck’s back. By keeping the roof surface watertight and rust-free, coatings protect barns, homes, and commercial buildings from costly water damage. Owners who have dealt with pesky roof leaks in the past often find relief once their metal roof is coated, as the elastomeric coating sticks to every inch and keeps the weather outside where it belongs.
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Coating your metal roof makes maintenance easier for Tennessee property owners

Metal roofs are durable, but they aren’t maintenance-free—especially in our environment where leaves, pollen, and dust can accumulate. Applying a roof coating essentially “seals in” the metal under a protective shell, which keeps a lot of the usual troublemakers at bay. For one, a coated roof is less prone to rust, so homeowners don’t have to spend weekends hunting for and repainting rusty spots. The smooth coated surface also doesn’t trap dirt and organic debris as easily. In wooded parts of Tennessee like Williamson County, a metal roof might normally gather fallen leaves or pine needles in its crevices, but with a slick coating those tend to wash off in the rain. Many property owners find that routine cleaning is quicker on a coated roof—often a simple rinsing is enough to remove grime. Because the coating also covers over screws and seams, it helps prevent water from ponding in those areas and causing corrosion. Overall, a fluid-applied coating cuts down on the ongoing upkeep a metal roof would otherwise need, which is a welcome relief for busy facility managers and homeowners alike.
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Energy-saving roof coatings contribute to a greener, more sustainable Tennessee

Using a fluid-applied roof coating isn’t just good for your building—it’s good for the environment as well. By reflecting heat and reducing air conditioning needs, cool roof coatings help cut down on electricity consumption. In a state like Tennessee where power demands soar on 95°F summer afternoons, every bit of reduced energy use helps the local power grid and lowers greenhouse gas emissions from power plants. Coatings also play a role in fighting the urban heat island effect. A city neighborhood in Nashville with many dark roofs will be hotter than one with more reflective roofs. By turning a large metal warehouse roof from a dark heat sink into a bright, reflective surface, you’re effectively cooling the immediate surroundings and making the community more comfortable. Additionally, choosing to coat instead of replace a metal roof means less roofing material ends up in landfills. Roof replacements in the U.S. generate millions of tons of waste each year, so avoiding a tear-off by coating your existing roof is a big reduction in waste. All these factors make roof coatings an environmentally responsible choice for Tennessee property owners who care about sustainability.
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Fluid-applied roof coating installation is quick and cost-effective with minimal disruption

Another big benefit of roof coatings is how easy and economical the installation is, especially compared to putting on a brand-new roof. Applying a fluid-applied coating on a metal roof is a relatively fast process—often it can be done in a matter of days, not weeks, since there’s no need to tear off the old roof. The coating is sprayed or rolled right onto the cleaned metal panels, avoiding the mess and expense of a full roof replacement. This means your day-to-day life or business operations face far less disruption. For example, a retail store in Nashville can usually stay open during a coating project, whereas a roof replacement might force closures or loud construction for an extended period. Cost-wise, coatings are a fraction of the cost of installing a new metal roof. By saving on labor and materials, building owners in Tennessee can protect their roof without breaking the bank. It’s a win-win: you reinforce your roof and save money, all with far less hassle than a full replacement.
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Modern roof coatings improve the appearance and value of Tennessee properties

A functional upgrade isn’t the only thing you get with a roof coating—there’s an aesthetic boost as well. Over time, metal roofs can start to look faded, dirty, or streaked with rust. A fresh coating, however, can transform a tired-looking metal roof and make it look almost new again. Modern coating products often come in neutral colors like white, gray, or even tinted options, so you can choose a finish that complements your building. Homeowners in places like Brentwood or Clarksville appreciate that a clean, bright roof coating adds curb appeal to their houses. The property simply looks better maintained, which can even enhance its market value. For commercial buildings—say a shopping center with a visible metal roofing—having a uniform, attractive roof presents a professional image to customers. The coating covers old stains and seams, giving the roof a smooth, clean appearance. In short, applying a roof coating is an easy way to refresh the look of a metal roof in Tennessee, demonstrating pride in ownership while also reaping all the practical benefits. It shows that a building isn’t just protected, but also well cared for, which is a plus whether you’re inviting guests or potential buyers.
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Restoring a metal roof with a coating avoids the cost and mess of full roof replacement

Finally, one of the most compelling benefits is that a fluid-applied coating allows you to rejuvenate the roof you already have instead of undertaking a full-blown roof replacement. If your metal roof is structurally sound but starting to show its age, a coating can restore its performance and appearance without the need to rip off all the old panels. Tennessee property owners know that replacing a roof is a major project—it’s expensive, time-consuming, and generates a lot of waste and disruption. By choosing to coat the roof, you preserve your existing investment in the metal roof. The coating seals up any small leaks, reinforces the roof against future weather, and essentially gives you a “like-new” roof surface. Meanwhile, you avoid sending tons of old roofing materials to the landfill and save on the hefty labor costs of removal and reinstallation. There’s also peace of mind in not exposing your building to the elements during a tear-off. In a climate where a surprise rain can pop up, being able to renew the roof without ever removing it is a huge advantage. Coating a metal roof is a smart, clean, and efficient restoration solution, letting Tennessee homeowners and businesses extend roof life on their terms and timeline, all while sidestepping the headaches of a full replacement.
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We Offer All Types Of Roof Coatings

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Elastomeric Coatings- Elastomeric coatings are flexible and ideal for roofs that may experience movement or expansion. This coating type prevents cracks,  crucial for industrial roofs where temperature changes are common.
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Acrylic Coatings for Reflectivity -Acrylic coatings offer high reflectivity, reducing the amount of solar energy absorbed by the roof. For commercial buildings, this is invaluable in lowering cooling costs and creating a more comfortable interior environment.
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Silicone Coatings for WaterproofingSilicone coatings excel at repelling water, making them ideal for industrial facilities in wet climates or areas where roof leaks are a primary concern. Silicone coatings also resist ponding water, preventing long-term water damage.
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Polyurethane Coatings for High Traffic Areas – Industrial buildings with rooftop equipment or frequent maintenance benefit from polyurethane coatings, which provide extra durability and resistance to abrasions.
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Rust-Proof Coatings for Corrosive Environments– For industrial facilities exposed to chemicals or pollutants, our rust-proof coatings provide essential protection. These coatings offer a highly resistant barrier that keeps corrosive agents from affecting the roof’s surface.

A photo-mapped inspection documents every Nashville fastener, seam, and rooftop penetration before a single tool comes out.

Before beginning any spray coating project on a metal roof, an in-depth inspection is essential. This process involves identifying existing damage, such as cracks, rust spots, or loose fasteners, which could compromise the success of the coating. By pinpointing areas of concern early, roofing professionals ensure that each problem is addressed prior to the spraying phase. A thorough inspection also allows for accurate estimates of the amount of coating material needed and helps set realistic project timelines.

Preparation extends beyond the immediate roof surface. It includes scheduling the application during favorable weather conditions, verifying the roof’s structural integrity, and ensuring that all safety measures are in place. Once these preliminary checks are completed, workers can plan for any specialized equipment, such as scaffolding or protective gear, needed to perform the coating application effectively.

A 4 000-psi deep wash strips away Nashville’s pollen, traffic grime, and chalked paint so fresh coating bonds to clean steel.

Once the metal roof is inspected, the next step involves cleaning the entire surface to remove dirt, debris, and loose paint. Pressure washing is a common method for this purpose, as it effectively dislodges contaminants and establishes a clean foundation for the coating to adhere. For stubborn stains or areas prone to mold, specialized cleaning agents can be employed to ensure a pristine roof surface.

After cleaning, technicians make any necessary repairs. This may involve tightening or replacing screws, patching small holes, and smoothing out imperfections. Rust or corrosion spots are also addressed during this phase, typically by sanding or grinding down the affected metal before applying a rust-inhibitive primer. Proper cleaning and repairs create an ideal substrate that maximizes the adhesion and longevity of the metal roof coating.

Rust is removed to bright metal and sealed under a zinc-rich primer that halts Nashville humidity in its tracks.

Any orange stain on a Music City roof hints at deeper oxidation. Crews mask adjacent panels to keep steel filings from blowing across the deck, then feather rust spots with non-marring wire wheels until bright silver appears. Metal dust is vacuumed away, and surfaces receive a solvent wipe. We immediately brush-apply a high-build, zinc-laden primer formulated for direct-to-metal contact. Zinc sacrifices itself to protect underlying steel, forming an electro-chemical barrier that arrests corrosion even if microscopic moisture remains in pits too small to see.

The primer flashes dry in half an hour yet continues to cure for twenty-four hours, bonding tight through a Nashville day-night cycle that can swing from steamy noon heat to cool river breezes after dark. During that cure time we stage materials, set safety lines, and gear up for sealing, making sure no crew time is wasted and your roof timeline stays on track.

Every screw on a metal roof is reset, upgraded, and capped with butyl before any coating touches the surface.

Exposed-fastener panels often carry thousands of screws, each topped by an EPDM washer that bakes brittle under July sun and shrinks in January frost. We pull stripped or corroded hardware, drill oversize pilot holes, and seat stainless replacements fitted with new UV-stable gaskets. Intact screws are retorqued to manufacturer spec. Each head then receives a fingertip-smooth dome of high-build butyl mastic that remains elastic from winter freezes to Triple-A baseball game heat.

Seams, ridge laps, and pipe boots are next in line. Four-inch butyl tape is rolled over every joint with a silicone hand roller, squeezing adhesive deep into panel micro-grooves and banishing air pockets. By the end of this step, the roof—from West End townhomes to Antioch warehouses—is already watertight on a screw-by-screw level. The membrane still to come will fuse those individual seals into a single, continuous shield.

A rolled acrylic base coat embeds tape edges and screw domes, knitting Nashville’s metal roof into one flexible surface.

After the final coat is applied, the metal roof coating must be given time to cure. Curing allows the coating to form a solid, protective membrane that can withstand the stresses of daily wear and changing weather conditions. The duration varies based on factors like ambient temperature, humidity, and the type of coating product used. During this period, it is crucial to keep foot traffic and heavy equipment off the roof to prevent disruptions in the curing process.

A detailed quality assurance check follows once the coating has fully cured. Roofing professionals inspect for uniform coverage, adhesion, and proper thickness. If any discrepancies or thin spots are discovered, additional touch-ups may be applied. Verifying the integrity of the newly coated roof is the final step in the process, ensuring that the metal roof coating system delivers the durability, waterproofing, and energy efficiency benefits it was designed to provide.
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