B&G Roofing is a Hamilton flat roofing contractor specializing in new construction and replacement of Built Up (Tar & Gravel) and SBS torch-on systems, plus leak repairs and preventative maintenance across Hamilton, Stoney Creek, Burlington, and Niagara. Since 1986, B&G Roofing & Sheet Metal Inc. has delivered durable flat roofing systems and we stand by our work with our industry leading 5 year workmanship warranty