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  • The failure to fix minor problems

  • Water pooling on the roof

  • Failure of roof perimeters e.g., gravel stops

  • Poor design choices

  • Weathering and wind damage

  • Lack of roof maintenance

  • Shingles that show granule loss, are missing, or have curls and/or cracks

  • Water damage

  • Flashing and drain problem

To view Part 2 of Residential Flat Roof, Modified Bitumen, use the link below.

| Tufdek Vinyl Decks

Vinyl decks

Grand Valley Roofing is one of a few companies in Southwest Ontario with certification in installing Tufdek Waterproof Vinyl Decking. Tufdek is designed to be installed on most outdoor locations, including balconies, decks, sundecks, roof-top patios, stairs, walkways and concrete. Available in various looks and colours, it is an outstanding alternative to traditional materials.

| Built-Up Roofing


| Modified Bitumen

| Receive a Free Estimate

Get in touch with our roofers for roofing repair services in and around Cambridge to learn more about our inspection services. You can contact us to schedule an appointment for inspection, maintenance and repair.

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