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How much does a complete roof installation typically cost?

A complete roof installation cost is based on your roof’s size, design, and chosen system, and it’s confirmed after an on-site inspection. The biggest driver is the overall scope of work from tear-off through the new components and finishing details. When a roof is near end of life or leaking in multiple sections, replacement often costs less long term than repeating repairs. Our team regularly installs shingle, metal, and flat/TPO systems in the Birmingham area. A common surprise is hidden decking or moisture damage found during tear-off, which can change the final price; financing and seasonal instant rebates (for example, $2,000 off eligible whole-home replacements) are available.

Watch for these cost factors during your estimate:

  • Roof square footage and waste factor
  • Material choice (shingle, metal, TPO) and warranty level
  • Pitch, stories, and layout complexity
  • Decking replacement, flashing details, and ventilation/code upgrades

Schedule an on-site inspection to receive a firm, line‑item proposal for your home or use our online estimating tool at https://kanga-roof.com/instant-quote/.


Updated: 2026-03-12


Need help in Birmingham, MI? Call (586) 300-4163 or book online at https://kanga-roof.com/schedule-inspection-now/. "The crew did a great job with the tear off and installation of our new roof." — Christian C.

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