Every low-slope roof reaches a point where it is leaking at the seams but nowhere near dead. That is the moment a restoration coating earns its keep. A silicone or acrylic system goes on over the existing membrane, seals the seams and penetrations that actually fail, and restarts the warranty clock, all without a dumpster, a tear-off, or a week of interruption. It is not a miracle product and it is not a substitute for a roof that is genuinely finished. We run the moisture survey first and tell you which one you have, because coating a wet roof only buys a more expensive replacement later.
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Is roof coatings right for your roof?
A restoration coating is a fluid-applied membrane sprayed or rolled over a low-slope roof that is still structurally sound. It runs about $2.00 to $5.00 per square foot, a fraction of a tear-off, and typically adds 10 to 20 years of service life under a renewable manufacturer warranty. Coating is a capital decision as much as a roofing one. If the deck and insulation are dry and the existing membrane is intact, a coating buys years without the downtime and expense of replacement. If the substrate is wet, a coating seals the water in and hides the problem. The honest test is a moisture survey, not a sales pitch.
The numbers that matter, in one place.
| Specification | Detail |
|---|---|
| Material type | Fluid-applied silicone, acrylic, or polyurethane membrane |
| Added service life | 10–20 years, renewable with a recoat |
| Installed cost | $2.00–$5.00 / sq ft |
| Application | Sprayed or rolled over the existing roof; no tear-off |
| Reflectivity | White systems carry high solar reflectance (cool-roof rated) |
| Best substrate | Sound, dry TPO, EPDM, modified bitumen, or metal |
| Best pitch | Low-slope and flat sections; also used on metal roof seams |
No roof is perfect. We tell you where each material gives and where it takes.
The Strengths
The Trade-Offs
The decision is not about the surface you can see. It is about what sits under it, and there is a defined way to find out.
A dark low-slope membrane in July is one of the hottest surfaces on a building, and every degree of it is heat pushing down through the insulation into the space below. A white reflective coating flips that. It sends most of the sun's energy back rather than absorbing it, which lowers the peak surface temperature, eases the cooling load, and slows the thermal cycling that opens seams in the first place. On a Durham warehouse or a commercial flat roof, the coating is doing two jobs at once. It is a waterproofing layer, and it is a heat shield, and the second one quietly extends the life of the first.
The choice where ponding water is a fact of life; it holds up under standing water.
Water-based, highly reflective, lower cost. Wants a roof that genuinely drains.
Tougher against foot traffic and hail; often a base coat beneath silicone.
Seam and fastener treatment plus a coating, for aging exposed-fastener metal.
Real, attributable figures from the bodies that publish them, not marketing claims.
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- A real person answers. No phone tree, no pressure to commit.
- Free documented inspection: photos and a written report before any quote.
- Straight answers on cost, insurance, and financing, even when the answer is a repair, not a replacement.
A full restoration coating is a continuous fluid-applied membrane, not a patch. Applied at the right thickness over a sound substrate, it carries its own manufacturer warranty, typically 10 to 20 years, and can be renewed with a recoat. What it cannot do is replace a roof whose insulation is wet or whose deck is failing.
A restoration coating usually runs $2.00 to $5.00 per square foot against $7.00 to $14.00 or more for a low-slope tear-off and replacement. The savings are real, but only when the roof qualifies. We run the moisture survey first and tell you honestly which one your roof needs. Call (919) 795-6983.
Sometimes. If the leaks trace to seams, laps, flashings, or penetrations and the insulation below is still dry, a coating with proper detail work is often the right fix. If the survey finds wet insulation, coating over it seals the water in and the deck pays for it later. The survey decides, not the leak count.
Silicone is the better choice where water ponds, because it does not soften under standing water. Acrylic is less expensive, highly reflective, and a good fit on a roof that genuinely drains. Polyurethane goes down where foot traffic or hail is a concern. We spec the one the roof and its drainage call for.
Know Before You Decide.
Start with a free, documented inspection. We will tell you honestly whether it fits your home and budget, no pressure.