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February 27, 2026
Last week, after the snow and ice finally cleared here in Dayton, Cotterman & Company Inc. completed a roof evaluation on a large warehouse facility that had recently started experiencing leaks.
As part of the inspection, a date stamp was located on the membrane: DL ’99.
That simple marking told a big story.
November 3, 2025
Cotterman & Company Helps Large Manufacturing Facility Recycle Over 224,000 Pounds of Roofing Material!
Cotterman & Company, Inc. is proud to partner with a large manufacturing facility in their efforts to reduce environmental impact through Duro-Last’s “Recycle Your Roof” program.

October 8, 2025
As the seasons change, one of the most important steps in protecting your commercial or industrial roof is keeping gutters, downspouts, and drains clear.
At Cotterman & Company, Inc., we see it too often; gutters and downspouts rusted out because they weren’t cleaned year after year, leaks that started small but…

August 19, 2025
Now is an ideal time to invest in a modern, energy-efficient roofing system from Cotterman & Company!
Under current tax provisions, many commercial property owners can replace or upgrade their roof and deduct a significant portion, in some cases up to 100% of the project cost in the same tax year.



