COLUMBUS, Ohio, August 31, 2026 – Dark flat roofs across Central Ohio absorb up to 80% of incoming solar energy during peak summer months, pushing roof surface temperatures past 150°F and increasing cooling costs for commercial building owners. Top Notch Commercial Roofing applies Conklin-certified reflective coating systems that reduce those surface temperatures by as much as 50°F, helping Columbus-area properties lower air conditioning demand during the most expensive billing cycles of the year.
How Uncoated Flat Roofs Drive Up Summer Operating Costs
Standard dark roofing membranes, including EPDM, modified bitumen, and built-up roofing, reflect only 5–20% of sunlight. The remaining solar energy converts to heat that transfers through the roof deck, compresses insulation over time, and forces HVAC systems into longer cooling cycles. According to U.S. EPA research, cool roof reflectance can reduce peak cooling demand by 11–27% in air-conditioned buildings.
The table below compares surface performance based on U.S. DOE and LBNL data:
|
Roof Surface Type |
Solar Reflectance |
Approx. Surface Temp on a 90°F Day |
|
Standard dark EPDM membrane |
5–15% |
150–170°F |
|
Aged asphalt BUR |
10–20% |
140–160°F |
|
White reflective coating (new) |
80–90% |
100–115°F |
|
White reflective coating (aged 3 yr) |
65–80% |
110–125°F |
Values are estimates for comparison. Actual temperatures vary based on environmental conditions and roof characteristics.
Measured Energy Savings for Columbus Commercial Properties
The Environmental and Energy Study Institute (EESI) reports that a cool roof can reduce air conditioning energy use by up to 15% in single-story buildings. For commercial properties running multiple rooftop units, that reduction translates directly into lower monthly utility invoices and fewer HVAC service calls.
Columbus sits in IECC Climate Zone 5, where summer cooling costs are significant but winters raise questions about a potential heating penalty. Industry data show that in mixed climate zones like Central Ohio, summer cooling savings typically outweigh the small winter trade-off, especially for buildings with insulation rated at R-20 or higher.
Key benefits of a commercial flat roof coating in Columbus, OH, include:
-
Roof surface temperatures held within roughly 10°F of ambient air
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Slower insulation compression and membrane degradation
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Extended intervals between HVAC maintenance cycles
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Lower electricity draw during peak-demand billing windows
Which Flat Roof Types Qualify for Reflective Coating?
An energy-efficient roof coating performs best when the existing membrane is structurally sound but aging or underperforming thermally. Good candidates include:
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TPO and EPDM membranes showing UV degradation or surface wear
-
Modified bitumen and BUR systems with intact adhesion but reduced reflectance
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Metal roofs with minor rust or weathering and no major structural compromise
Top Notch Commercial Roofing recommends a roof condition assessment before any coating work begins to verify membrane adhesion, flashing integrity around penetrations, and insulation moisture content through core cut testing.
"Building owners across Columbus often underestimate how much heat a dark flat roof transfers into their occupied space each summer," said Joe Burkholder, Owner and Founder, Top Notch Commercial Roofing. "A reflective coating system addresses the problem at the roof surface before that heat reaches the HVAC system or the utility bill."
Property owners who pair a reflective roof coating in Columbus, Ohio with a commercial roof maintenance plan get stronger long-term performance from that reflective surface and extended roof service life. Top Notch Commercial Roofing serves Columbus and nearby areas across Central Ohio.
About Top Notch Commercial Roofing
Top Notch Commercial Roofing is a Conklin-certified roofing contractor serving Columbus and nearby communities across Central Ohio, including Cambridge, Zanesville, and Athens. The company specializes in commercial roof restoration, reflective coating systems, and ongoing maintenance plans for TPO, EPDM, modified bitumen, and metal roof assemblies. All coating systems carry Energy Star partner credentials.
Media Contact:
Joe Burkholder
Owner and Founder, Top Notch Commercial Roofing
Phone: (740) 409-1171
Contact Page: https://topnotchroofingohio.com/contact-us/