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Melloul-Blamey Construction, Waterloo Hospice, Modified Bitumen

As a recipient the Roofing Contractor of the Year Award and of several Roofing Awards of Excellence, Grand Valley Roofing & Coatings Inc. has been recognized as one of the leading commercial flat roofers in Southwestern Ontario. We are known for our attention to detail, exceptional workmanship, and integrity. Through our experience and training, we have developed skills and creative abilities that have helped us solve roofing problems in a unique and innovative way. Our polite and professional workers are known for installing superior quality roofs for all our residential and commercial clients in and around Cambridge.


Grand Valley Roofing & Coatings Inc. provides superior warranties, is fully bonded and insured; participating in WSIB's Health and Safety Excellence Program. Our goal is to ensure that every customer receives the best possible quality roof at a competitive price and that it is completed in a timely fashion.


Our customers speak for us. Read their reviews and you will discover why we are the first choice of building owners and continue to maintain our A+ rating at the Better Business Bureau.

24 Hour Emergency Service

Grand Valley Roofing & Coatings Inc. provides various roofing services to help maintain, protect and prolong the life of your roof and building. These include:

We offer:

  • 24 hour emergency service on flat roofs

  • Preventative roof maintenance programs

  • SkyRover’s drone roof inspections (Infrared technology - Thermo imaging)

  • General repairs/roof alterations

  • Mechanical curb and cone installation

  • Roof snow removal (No lots and/or driveways)


A sturdy roof protects your home or business from the elements. It has to withstand strong winds, heavy downpours, snow and ice accumulation. Keep worries aside and rely on Grand Valley Roofing & Coatings Inc. for all your re-roofing services in and around Cambridge and Southwestern Ontario. We also provide complete roofing repair solutions for residential and commercial properties. Residential and commercial roofs can suffer from multiple Roofing Problems such as:


  • 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


Our industry recognized certified applicators have experience in multiple roofing systems: residential, commercial, industrial and institutional. With over 35 years of experience, Grand Valley Roofing & Coatings Inc. can provide solutions to any roofing situation in a timely and competitive way. We are experts in the installation of the following:

Roof Systems

  • BUR (aka - Tar and Gravel; Hot, cold & ballasted applications)

  • Modified Bitumen (Hot, torched cap & peel and stick self adhering - flameless applications)

  • TPO & PVC (Mechanically fastened & fully adhered applications)

  • EPDM (Ballasted, mechanically fastened & fully adhered applications)

  • ProSeal (RPW) Systems

  • TufDek Vinyl Decking

  • Residential Flat Roofs

  • Asphalt and Architectural Shingles Subtext

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Grand Valley Roofing has been providing quality new and re-roofing work in Cambridge and Southwestern Ontario. Choosing us for your roofing and service needs is an excellent way of protecting your roofing investment. Grand Valley Roofing & Coatings Inc. prides itself in being a progressive company that provides that small-company individual attention your project deserves; yet is large enough to tackle the biggest job. Give us a call to get a quote for all your roofing projects through our roofing contractors in Cambridge.


Grand Valley Roofing & Coatings Inc. is committed to respecting the privacy of individuals and recognizes a need for the appropriate management and protection of any personal information that you agree to provide to us. We will not share your information with any third party outside of our organization, other than as necessary to fulfill your request, or with your written authorization for references purposes.

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