A new roof is one of the largest investments you'll make in your home. Understanding exactly what your warranty covers — and what it doesn't — is part of making a smart decision. Ranlock installs Owens Corning products because they're built to last and backed by strong manufacturer warranties.
Important Disclosure: Ranlock Roofing & Construction LLC installs Owens Corning products. The warranty information on this page is provided for educational purposes. Exact warranty terms, eligibility, coverage levels, and transferability depend on the specific Owens Corning product installed, the installation date, and registration. Always review the official Owens Corning warranty documentation for your specific product. Ranlock will walk you through warranty options on your project before any work begins.
Owens Corning products are backed by some of the strongest material warranties in the roofing industry. Here's how they're structured.
Owens Corning's flagship shingle lines carry a Limited Lifetime warranty against manufacturing defects. Coverage typically prorates after an initial non-prorated period.
Owens Corning Duration® shingles with SureNail® Technology carry a wind warranty up to 130 mph — critical coverage for Houston's hurricane and high-wind exposure.
Owens Corning shingles with StreakGuard™ algae-resistant granules carry a 10-year warranty against blue-green algae discoloration — a major concern in Houston's humid climate.
A manufacturer warranty only covers the materials — not the labor. That's why Ranlock backs every installation with our own workmanship commitment. We stand behind what we build.
A single shingle doesn't protect your home — the complete roofing system does. Owens Corning's Total Protection Roofing System uses every component together for maximum performance and warranty eligibility.
Use the official Owens Corning warranty tool below to explore coverage levels and understand exactly what your roofing system warranty covers. Ask Ranlock which tier applies to your project.
Ranlock walks you through warranty coverage on every project — before we start and at completion.
Every Ranlock project includes a warranty walk-through — we explain your exact coverage before we start and hand over all documentation at completion. Book your free inspection today.