Metal Shingles Markham, ON Review 2020
Markham, ON
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What was involved in this Interlock® Slate roof installation in Markham, ON?
This project used an Interlock® Slate system in Black on a home in Markham, ON, completed November 1, 2020. David and Jackie B. rated the work 5 out of 5 in an independent survey conducted by GuildQuality on November 24, 2020. Likely To Recommend scored 5 out of 5. The installation was carried out by Interlock Roofing.
Tony Alpalfa, the installer, was amazing. I even had a comment from my builder when Tony was installing one of the valleys. My builder said most installers would have the valley installed in 5 minutes. Tony took 30 minutes as it was a challenging valley to install.
This review was collected by GuildQuality, an independent third-party customer-satisfaction survey firm, on November 24, 2020. View the original survey response.
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Real photos of this exact installation in Markham, ON from the Interlock® photo gallery.
About Interlock Metal Roofing (Ontario) Ltd.
Serving homeowners across Kitchener, Guelph, and nearby cities since 1998, Interlock Metal Roofing (Ontario) Ltd. provides durable, low-maintenance aluminum roofing systems that redefine long-term protection. Each roof is built to withstand snow, rain, and high winds—common in Ontario’s heartland—while boosting home energy efficiency and resale value. With factory-trained installers and a limited lifetime warranty, we’re proud to deliver roofing solutions that combine sustainability, performance, and timeless design.