Roofing Warranties Explained

A new roof usually comes with two warranties. They cover different things, and the fine print matters more than the number of years.

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Updated November 14, 2026 · AdEx – Home Solutions, Dallas–Fort Worth

Short answer

A manufacturer’s warranty covers defects in the shingles and is often prorated, so coverage shrinks after an early period; a contractor’s workmanship warranty covers installation mistakes like leaks from bad flashing or nailing. Ask for both in writing, check what voids them, and register the manufacturer’s warranty if required.

Two kinds of warranty

Manufacturer (materials)Contractor (workmanship)
CoversDefects in the shingles and listed system partsInstallation errors: flashing, nailing, ventilation, leaks
Who backs itThe shingle makerThe roofing company
Watch forProration, labor exclusions, registration deadlinesLength, what’s excluded, whether the company will still be around

“Lifetime” and prorated

A “lifetime” shingle warranty usually means a limited warranty with full coverage for an initial period, then prorated coverage that pays a shrinking share. Enhanced system warranties often require the manufacturer’s matching components and an installer approved by that manufacturer.

What can void a warranty

  • Installation that doesn’t follow the manufacturer’s instructions
  • Poor attic ventilation
  • Roofing over an existing layer, where the maker doesn’t allow it
  • Unregistered warranties, where registration is required

Ours

Our written estimate states the products and the warranty, so you can compare it line by line with other quotes.

Common questions

What does a lifetime roof warranty cover?

Usually manufacturing defects, with full coverage for an initial period and prorated coverage after. Read the specific product’s terms.

What is a workmanship warranty?

The contractor’s promise to fix problems caused by the installation, such as leaks from flashing or nailing.

This guide is general information for Texas homeowners, not legal or insurance advice. Your policy, your city and your house decide the details.