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40 Years
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Emergency
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Trusted Commercial Flat Roofing Solutions in Hamilton
B&G Roofing & Sheet Metal has been a trusted provider of commercial, institutional, and industrial flat roofing solutions since 1986. Our expertise spans new construction, replacement, and maintenance of Built Up (Tar & Gravel) and SBS torch-on systems, with a focus on durability and performance. We serve Hamilton, Stoney Creek, Burlington, and Niagara, backed by a 5-year workmanship warranty. Our team prioritizes safety through site-specific plans, WSIB coverage, and COR-certified practices. As NRCA members and approved applicators for leading manufacturers, we combine technical expertise with industry-recognized standards.

Our 22-acre facility and experienced crews enable rapid mobilization for projects of any scale. We specialize in leak repairs, preventative maintenance programs, and custom sheet metal flashings to ensure long-term roof integrity. Client satisfaction is guaranteed through transparent communication and adherence to strict safety protocols. Our commitment to quality has earned us long-standing partnerships with property owners and consultants across Ontario. From emergency repairs to multi-phase re-roofing projects, we deliver reliable solutions tailored to each client's needs.
Services
Installation Repairs Maintenance Sheet Metal Flashings Preventative Maintenance Programs
Details
  • Year established: 1986
Highlights and features
  • We offer a 5-year workmanship warranty on all installations
  • Our teams maintain COR-certified safety compliance and WSIB coverage
  • 22-acre facility enables rapid mobilization for large-scale projects
  • Approved applicators for leading roofing material manufacturers
  • Emergency leak repair services available with fast response times
Associations and certifications
  • NRCA Member
  • WSIB Covered
  • Approved Applicators
  • COR-minded Safety
Services
Flat Roof Installation
Specialized installation of commercial flat roofing systems using Built Up (Tar & Gravel) and SBS torch-on membranes. Our trained crews ensure proper application and long-term durability for new construction projects. Services include material selection guidance and compliance with local building codes.
Leak Repairs
Fast response for commercial roof leak repairs using advanced detection methods and SBS torch-on patching techniques. Available for emergency situations to minimize water damage and maintain building operations. Includes temporary and permanent repair options.
Preventative Maintenance
Seasonal inspections and maintenance programs to extend roof lifespan and prevent unexpected failures. Services include debris removal, drainage checks, and detailed condition reports. Helps identify potential issues before they become major problems.
Sheet Metal Flashings
Custom fabrication and installation of metal flashings, parapets, and termination details for watertight roof systems. Shop-fabricated components ensure precise fit and durable finishes that complement flat roofing installations.
Safety Compliance
Comprehensive safety programs including site-specific plans, Working at Heights certification, and regular toolbox talks. Fully insured operations with WSIB coverage and COR certification pursuit. Ensures safe working conditions for all personnel and clients.
Questions
What types of commercial roofing systems do you install?
We specialize in Built Up (Tar & Gravel) and SBS torch-on membrane systems for commercial, industrial, and institutional buildings.
Do you offer emergency roof repair services?
Yes, we provide emergency leak repair services with rapid response times to protect your property from water damage.
What areas do you serve?
We serve Hamilton, Burlington, Oakville, Niagara, and Stoney Creek regions for all commercial roofing needs.
What warranty do you offer?
We provide a 5-year workmanship warranty on all roofing installations and repairs performed by our certified crews.
Are your workers trained in safety protocols?
All employees complete Working at Heights certification with regular safety training and documented inspections conducted daily.
Reviews (2)
Robert James Chinnery
Sep 29, 2017 Report
THIS GUY IS LIKELY A GREAT ROOFER BUT WHEN I WENT BY THEIR JOB SITE NO ONE HAD SAFETY RESTRAINTS ON INCLUDING THE BOSSES
Kerri Raposo
Jul 07, 2016 Report
Great team on staff, good pricing, excellent value. Can handle even the most difficult of projects with ease, communication with the client top nothc.