What Roof Coating Involves
Roof coating is not a paint job. It is a engineered system of liquid-applied membranes — typically silicone, acrylic elastomeric, or polyurethane — that bond directly to your existing roof substrate to create a seamless, monolithic waterproof layer. For commercial roofs in Orlando, we most often install silicone coatings because they resist ponding water better than acrylics and hold up under the intense UV exposure we get from May through October. Acrylic elastomerics work well on sloped metal roofs where water drains quickly, and polyurethane systems are specified for high-traffic roof areas like around HVAC units. Every job starts with a thorough pressure wash, followed by primer application on bare metal or aged TPO/EPDM, then two full coats of the chosen material at a minimum dry-film thickness of 20 mils per coat. We use GAF Unisil silicone and Henry 287 acrylic systems — both carry manufacturer-backed NDL warranties when installed to spec.
Signs You Need Roof Coating
Your commercial roof is telling you it needs a coating when you see ponding water still standing 48 hours after a rain event — that standing water accelerates membrane degradation and creates entry points for leaks. Look for seam separation on single-ply membranes, especially along flashings at parapet walls and roof curbs. On built-up roofs, blistering or alligatoring of the surface indicates the asphalt has oxidized and lost flexibility. If you notice interior water staining at column lines or along exterior walls, water is migrating through a compromised membrane. Another clear sign is high cooling bills: an uncoated dark membrane can reach 160°F on a July afternoon in Orlando, driving AC loads through the roof. Finally, if your roof is between 10 and 15 years old and still structurally sound, coating it now can push replacement out another 10 to 15 years — a huge capital expense deferral.
Our Roof Coating Process
Step one is the roof asset survey: we walk every square foot of your roof, map all penetrations, measure ponding areas, and document existing membrane condition with photo evidence. Next comes specification review — we match the coating chemistry to your roof type, slope, and traffic patterns, then generate a written scope of work with manufacturer-approved application methods. Step three is surface preparation: pressure washing at 3,000 PSI, manual scraping of loose flashings, and primer application on all bare metal and aged substrates. The coating itself goes on in two full coats using airless spray equipment, with hand-rolling at all penetrations and flashings to ensure film thickness. Finally, we do a post-install inspection with wet-film gauge readings at every quadrant, then enroll your system in the manufacturer's NDL warranty program. Total timeline for a 20,000-square-foot roof is typically 5 to 7 working days, depending on weather windows between Orlando's afternoon thunderstorms.
Cost Considerations in Orlando
For commercial roof coating in Orlando, expect to pay between $2.50 and $4.50 per square foot for a silicone or acrylic system, fully installed with primer and manufacturer warranty. That price includes the roof asset survey, pressure washing, all materials, labor, and warranty enrollment. A 20,000-square-foot roof runs roughly $50,000 to $90,000 — compare that to $200,000 or more for a full tear-off and replacement. Factors that push the price higher include complex penetrations (multiple HVAC units, skylights, plumbing stacks), heavy ponding water that requires tapered insulation panels before coating, and access constraints like limited roof hatches or elevator availability. We provide a firm, line-item quote after the survey so there are no surprises.
Warranty & Insurance
Every roof coating system we install comes with a manufacturer-backed NDL (No Dollar Limit) warranty from either GAF or Henry, covering material defects and workmanship for 10, 15, or 20 years depending on the system selected. The NDL warranty is key for commercial properties because it covers all repair costs — there's no cap on material or labor. We also carry full general liability and workers' compensation insurance, and we can provide certificates of insurance directly to your property manager or HOA board. If your roof coating project is part of a storm damage claim from the 2013 Central Florida hailstorm or a more recent weather event, our team can coordinate directly with your insurance adjuster and provide the documentation they need for approval.
Why Choose Orlando Top Roofers for Roof Coating in Orlando?
We have been coating commercial roofs in Orlando for over 20 years, and we know the specific challenges this climate throws at a membrane — intense afternoon thunderstorms from May to October, hurricane-force winds, and relentless UV exposure. We have coated buildings in Baldwin Park, Dr. Phillips, Lake Nona, and Winter Park, on everything from 1980s concrete block structures to 2000s Mediterranean-style stucco villas. Our crews are factory-trained on GAF Unisil and Henry systems, and we self-perform every job — no subcontractors. That means one point of accountability, one warranty, and one phone number if anything ever needs attention: (407) 798-8767.
Signs You Need Roof Coating
Ponding Water at 48 Hours
Water that sits on your roof membrane for two full days after a rain event accelerates UV degradation and creates entry points for leaks. In Orlando's intense afternoon thunderstorms from May to October, this standing water can turn a small membrane crack into a major interior leak within weeks.
Seam Separation at Flashings
When the membrane pulls away from parapet walls or roof curbs, water has a direct path into the roof assembly. We see this frequently on commercial roofs in College Park and Thornton Park where original flashings were not properly terminated.
Blistering or Alligatoring Surface
An oxidized, cracked surface on built-up or modified bitumen roofs means the asphalt has lost its flexibility. Coating over this surface with a silicone system restores waterproof integrity and reflects solar heat, lowering your cooling costs.
Interior Staining at Column Lines
Water stains on ceiling tiles or drywall at column lines and exterior walls indicate a membrane breach above. Delaying coating at this stage leads to mold remediation and structural repairs that cost far more than the coating itself.
High Cooling Bills in Summer
An uncoated dark membrane can reach 160°F on a July afternoon in Orlando, forcing your HVAC system to work overtime. A white reflective coating can cut roof surface temperature by 50 degrees and reduce annual cooling costs by 15–30%.
Roof Between 10 and 15 Years Old
If your roof is still structurally sound but approaching the end of its manufacturer warranty, coating it now can extend service life by 10 to 15 years. This defers the capital expense of a full replacement and can be budgeted as an operational repair.
What's Included
- ✓ Roof asset survey with photo documentation of all penetrations and ponding areas
- ✓ Written condition report with drainage analysis and repair recommendations
- ✓ Manufacturer specification matching coating chemistry to your roof type and slope
- ✓ Pressure washing and primer application to all bare metal and aged substrates
- ✓ Two-coat silicone or acrylic system installed at 20-mil minimum dry-film thickness
- ✓ Post-install wet-film gauge readings and NDL warranty enrollment
- ✓ Tenant notification coordination and site cleanup each day
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Ready to get started? Call us today at (407) 798-8767 for a free estimate.
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