CONTACT PHONE (905) 673 0615





We are leaders in all types of new roofing and re-roofing applications. We provide quality installations that give you a solid return on your investment.

Our 92 years of experience gives us the ability to help you find the right roof for your building.  We install and repair every major commercial roofing system from Built-Up Roofs (BUR) to Thermoplastic (TPO, PVC), from Modified Bitumen (Mod-Bit) to Metal roofs and many others.


Green and white roofing, lightweight concrete and solar: as one of the only Canadian companies to be certified ISO 14064 compliant, we are an industry leader in environmental solutions that reduce greenhouse gases and generate energy savings. Our environmental solutions provide you with the greatest savings over the lifecycle of your roof, reduce the energy costs of your building, minimize the amount of roofing material sent to landfills and guarantee superior overall performance.


Offering inspections, assessments, and budgeting assistance, we put the client first, creating custom solutions based on your needs.  From design assist to correcting a job gone wrong, we can assist you every step of the way.

Our estimating team works diligently to provide the most accurate numbers possible, helping you to understand the full cost and scope of your project and avoid unexpected overages.  We go above and beyond, reviewing your project specifications carefully and proactively making recommendations on materials and scope that may improve your project outcome.


When you choose Bothwell you have the added assurance of extensive workmanship warranties from CRCA, OIRCA and RCABC’s RoofStar Guarantee, plus the option of additional warranties from the manufacturers we do business with. Our long-standing certifications and affiliations provide you with the peace of mind that our company has longevity and a solid reputation for excellence.

Want to learn more about your roof?  Let us put our knowledge and experience to work for you.

Contact our Ontario or British Columbia Team.