Knowledge Center
Roofing 101
Learn the basics, recognize potential issues early, and better protect your investment.
One Legacy Roofing
Residential & Commercial
Know your roof
A Clear Guide to Roofing Basics
Understanding the parts of your roof and the signs of damage can help you make more informed decisions about maintenance, repairs, and replacement.
What Does a Roof Do?
A roof protects against weather, helps regulate temperature, and supports the structural integrity of a building.
The Main Parts of a Roofing System
A complete system includes decking, underlayment, flashing, ventilation, and the visible roof covering.
Common Roofing Materials Explained
Common materials include asphalt shingles, metal, tile, slate, and flat or low-slope roofing systems.
Signs You May Need Roof Repair or Replacement
Missing shingles, water stains, attic leaks, and sagging roof lines can indicate a problem.
Roof Repairs vs. Roof Replacement
Localized damage may call for repair, while widespread or structural issues can require replacement.
How Long Does a Roof Last?
Roof life varies by material, from about 15 years for some shingles to more than 100 years for slate.
Why Professional Installation Matters
Proper installation supports waterproofing, code compliance, and manufacturer warranty eligibility.
Ready to protect your property?