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Tell us about your roof and location, we’ll let you know if your asphalt shingles qualify for rejuvenation and how much you could save compared to replacement.

587-317-6743

Protect your roof - Save thousands - Get peace of mind.

Why us

Why Calgary Homeowners Choose Green Shield Bio-Tech

We are a local, family-owned roof rejuvenation company in Calgary. Our goal is simple — help homeowners extend the life of their roof, save money, and avoid the stress of early replacement.

From your free inspection to final walkthrough, we keep the process clear, honest, and easy.