Bothwell-Accurate is one of the oldest and most experienced companies providing Roofing and Waterproofing services to Industrial, Commercial and Institutional buildings in the Greater Toronto Area and Lower Mainland, B.C. In business for more than ninety years, Bothwell-Accurate has completed over 60,000 projects, giving us the knowledge, experience and expertise that will ensure your roofing project is completed on time, on budget and with the best quality. Bothwell-Accurate is a leader in commercial roofing, waterproofing and cladding - in addition to being one of the only Canadian companies currently ISO14064 certified, is also paving the way for environmental roofing programs.