Grennan Construction | Roofing Services in Pontiac, MI 48341

We provide comprehensive exterior services including roof inspections, siding installation, siding repair, and siding replacement. As a James Hardie Elite Preferred Contractor, we specialize in Hardie siding installations and residential roofing, helping Pontiac homeowners maintain and improve their properties with quality materials and expert workmanship.

In Pontiac's climate, roof flashing corrosion and chimney leaks are frequent concerns. Our detailed roof inspections identify these issues early, and we use durable materials and precise installation techniques to repair or replace flashing, preventing water damage and extending your roof's lifespan. We educate homeowners on maintenance to protect their investment.

As a family-owned business since 1998, we prioritize honesty, integrity, and a consultative approach. We take time to understand your needs, provide unbiased advice, and guide you through the entire process with checklists and walk-throughs. Our fair practices and focus on customer service ensure projects are completed professionally and to your satisfaction.