
When you own or manage a commercial property, your roof is more than just a layer of protection, it is a vital investment in your building’s longevity and performance. Whether you are dealing with storm damage, leaks, or it’s simply time for an upgrade, working with a skilled commercial roofing contractor is essential. In Tiffin, OH, Cosam Contracting stands out as a dependable name in commercial roofing—offering quality materials, experienced crews, and long-lasting results. To schedule a consultation, call 419-492-2201 today.
Why a Commercial Roofing Contractor Specialist?
Commercial roofing isn’t just a bigger version of residential roofing—it is a completely different game. Most commercial roofs are flat or low-sloped, which means water doesn’t run off as easily, and the materials must handle foot traffic, equipment loads, and weather extremes.
A specialist commercial contractor like Cosam Contracting understands the unique needs of businesses and industrial facilities. From product selection to installation techniques and code compliance, every detail matters when you are protecting your building and operations.
Roofing Systems We Work With

At Cosam Contracting, we work with a range of proven commercial roofing systems, each suited for specific needs, budgets, and building types.
TPO Roofing (Thermoplastic Polyolefin)
TPO is a reflective, single-ply membrane known for energy efficiency and resistance to UV rays, punctures, and chemicals. It is a top choice for energy-conscious businesses.
EPDM Roofing (Rubber Membrane)
EPDM is a black, flexible roofing membrane ideal for buildings in cooler climates. It offers long-term durability and easy repair.
PVC Roofing
PVC provides excellent chemical resistance and is great for restaurants or facilities with exhaust vents and grease exposure.
Modified Bitumen
This asphalt-based system is layered and reinforced for strength. It is ideal for heavy-duty commercial roofs that require durability under pressure.
Metal Roofing
Metal panels provide long lifespans and excellent performance in snow, rain, and wind—perfect for warehouses and industrial facilities.
Common Commercial Roofing Issues We Solve
No matter the size or type of roof, all commercial buildings are vulnerable to a few common issues. At Cosam Contracting, we address leaks and water ponding, storm or hail damage, membrane shrinkage or cracks, flashing failures around vents and HVAC units, and deterioration due to age or UV exposure.
Our team performs thorough inspections and offers clear, honest assessments to help you make the best decision—whether that’s repair, restoration, or full replacement.
Repair, Restoration, or Replacement?
If your roof is leaking or showing signs of wear, that doesn’t always mean it needs to be replaced. Our team will help you determine the most cost-effective path forward:
Repairs: Ideal for small, isolated issues and newer roofs.
Restoration: Involves adding coatings to extend the life of an aging but still structurally sound roof.
Replacement: Necessary for roofs with widespread damage, insulation failure, or roofs near the end of their lifespan.
We always prioritize value, and we will walk you through all your options so you can make an informed decision.
Commercial Roof Maintenance Plans
Want to avoid emergency repairs and extend the life of your roof? Routine maintenance is the key. Our customizable maintenance plans include semi-annual inspections, debris removal and drain checks, early detection of leaks or seam separation, documentation for warranties and insurance, and priority scheduling for any repairs.
With regular upkeep, you can catch issues early, avoid expensive fixes, and ensure your building stays dry and energy efficient.
Serving All Types of Commercial Properties
No matter what kind of business you operate, we are equipped to handle your roofing needs: office buildings, retail centers, manufacturing plants, medical clinics, schools and municipal buildings, and warehouses and logistics facilities.
We also understand the importance of minimizing disruption. Our crew works efficiently and, when needed, outside of business hours to keep your operations running smoothly.
Licensed, Insured, and Committed to Quality
As a trusted contractor serving Tiffin, OH, Cosam Contracting is fully licensed and insured. We stay up to date with local building codes and safety regulations, and we back our work with solid warranties and a commitment to doing the job right the first time.
Your Local Commercial Roofing Contractor
If your commercial roof needs attention—don’t delay. Small problems can quickly turn into costly repairs and operational disruptions. Whether it’s inspection, repair, or a complete roofing system overhaul, Cosam Contracting is here to help with honest service and expert results.
Call 419-492-2201 today to schedule your free consultation with a commercial roofing contractor you can count on in Tiffin, OH.
FAQs
How do I know if my commercial roof needs repair or replacement?
If your roof leaks, has ponding water, or shows signs of aging, we will inspect it and recommend the most cost-effective solution.
Do you offer free roof inspections?
Yes, we provide free on-site assessments to evaluate your roof’s condition and provide estimates.
Can you work around my business hours?
Absolutely. We can schedule work to minimize disruption to your business operations.
Are your roofing systems energy efficient?
Yes—TPO and PVC systems offer excellent reflectivity, reducing cooling costs.
Do you handle roofing permits and code compliance?
Yes, we manage all permits and ensure your roof meets local building codes.
Do you offer roof maintenance plans?
Yes, we provide custom maintenance plans to extend your roof’s lifespan and reduce emergency repairs.
Is your company licensed and insured?
Yes, Cosam Contracting is fully licensed, insured, and experienced commercial roofing contractor with an expertise in commercial roofing.
How do I schedule a roofing estimate?
Just call 419-492-2201 and we will set up a convenient time to inspect your roof and provide a detailed quote.