A Roofer’s Guide to Installing Roof Systems
to Code and Manufacturer Specifications
Why “Installed to Code” Is Not Enough
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What you’ll learn
- Why code compliance is the minimum—not performance.
- How manufacturer specs govern system behavior and warranty eligibility.
- Where failures start: decking, underlayment, fastening, flashing, ventilation.
- How to document installs so they hold up under claims, inspections, and disputes.
Who this is for
- Roofers, project managers, and foremen
- Adjusters, appraisers, and insurance reviewers
- Inspectors, consultants, and engineers
- Homeowners who want defensible, spec-driven work
GAF Certified™
