Restore Your Roof. Protect Your Home.
Cowan Building Treatments helps homeowners in the Chatham-Kent / Windsor Area extend the life of asphalt shingles, wood, concrete, and exterior surfaces using advanced GoNano building treatments designed for Canadian conditions.
Before you replace your roof, find out if it can be treated.
The right GoNano NuRoof treatment can help protect shingles, improve performance, and extend roof life depending on the current age and condition of the roof.
Canadian-made protection for Canadian roofs.
GoNano roof and surface protection products are carefully crafted in Canada and specifically designed to meet the needs of homeowners in our climate. Every product is developed to perform through real Canadian conditions, including sun, rain, snow, moisture, wind, and freeze-thaw cycles.
Cowan Building Treatments brings these advanced roof and surface protection solutions to homeowners across Chatham-Kent and the Windsor Area, helping extend material life while reducing unnecessary replacement waste.
Local roof rejuvenation, shingle repair, wood protection, and concrete protection.
The right treatment for the right stage of roof life.
Not every roof needs the same treatment. We inspect the condition of your asphalt shingles and recommend the solution that best matches the roof age, surface condition, and homeowner goals.
GoNano NuRoof Fortify
A nano-enhanced, clear, breathable treatment designed to help maintain and extend the performance of newer asphalt shingle roofs.
GoNano NuRoof Revive
An advanced roof rejuvenation treatment designed to improve flexibility, durability, crack resistance, and water resistance for aging asphalt shingles.
GoNano Bio-Boost
A cost-effective treatment option for later-stage asphalt shingles, combining nanotechnology with renewable bio-oils to help provide basic roof protection.
One local team for the surfaces your home depends on.
Cowan Building Treatments helps homeowners protect asphalt shingle roofs, wood, concrete, and exterior surfaces with the right treatment option for each material.
GoNano NuRoof Fortify
Protect newer asphalt shingle roofs from moisture, UV exposure, wind, and Canadian weather stress.
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GoNano NuRoof Revive
Help restore flexibility and protect aging asphalt shingles before full replacement becomes necessary.
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GoNano Bio-Boost
A cost-effective protection option for later-stage asphalt shingle roofs around 20+ years old.
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GoNano Protek Wood
Help protect decks, fences, wooden roofing, and exterior wood surfaces from moisture and weather exposure.
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GoNano Protek Concrete
Protect driveways, patios, walkways, steps, garage floors, and exterior concrete surfaces.
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Roofing / Asphalt Shingle Repair
Reliable local roofing and asphalt shingle repair support for missing, cracked, lifted, or damaged shingles.
Learn More →Save money before replacement becomes the only option.
A full roof replacement can be expensive. In many cases, shingles still have life left in them. Our job is to inspect your roof honestly, explain your options clearly, and recommend the correct GoNano treatment if your roof is a good candidate.
Get the quote first. Talk options next.
Most homeowners want to understand the roof or surface work before thinking about payment. This section gives visitors a simple way to estimate a monthly range, share project details, and ask Cowan Building Treatments about available payment options.
Estimate the monthly range before you ask about options.
Send project info and financing interest in one place.
This form is built into the website so visitors can send their project details without relying on an outside widget loading correctly.
Find out what your roof or surface needs next.
Tell us about your roof, wood, concrete, or exterior surface project. Cowan Building Treatments will help you understand whether repair, protection, treatment, or replacement planning is the best next step.