# Roofing — Renovate Guide
> Roofing materials, cost guides, contractor advice, and installation terminology for homeowners.
> **ICP:** Homeowners evaluating roof replacement or repair; contractors seeking spec references
> **Primary topics:** asphalt shingles, metal roofing, roof repair, roof replacement cost, ice and water shield, flashing, HAAG inspection
> **Author:** Frank Mercer, Licensed GC (Ret.), HAAG Certified Roof Inspector

## Articles
[https://roofing.renovateguide.com/?p=35] Can You Put New Shingles Over Old Ones? What Codes Actually Allow
[https://roofing.renovateguide.com/?p=31] How to Stop a Roof Leak (Even in the Rain)
[https://roofing.renovateguide.com/?p=33] How to Choose a Roofing Contractor: 10 Questions to Ask First
[https://roofing.renovateguide.com/?p=29] What Causes Roof Leaks? The 10 Most Common Culprits
[https://roofing.renovateguide.com/?p=25] Does Homeowners Insurance Cover Roof Damage?
[https://roofing.renovateguide.com/?p=27] How to Find a Roof Leak (Attic, Flat Roof & No-Attic Homes)
[https://roofing.renovateguide.com/?p=23] Roof Repair vs. Replacement: How to Decide
[https://roofing.renovateguide.com/?p=17] Metal Roof vs. Asphalt Shingles: Cost, Lifespan & Which Is Worth It
[https://roofing.renovateguide.com/?p=19] How Long Do Asphalt Shingles Last on a House?
[https://roofing.renovateguide.com/?p=21] Signs You Need a New Roof (And When Repair Is Enough)
[https://roofing.renovateguide.com/?p=13] How Much Does a New Roof Cost in 2024?
[https://roofing.renovateguide.com/?p=15] How Much Does a New Roof Cost for a 1,500 Square Foot House?
[https://roofing.renovateguide.com/2026/06/26/hiring-a-roofing-contractor/] What to Look for When Hiring a Roofing Contractor
[https://roofing.renovateguide.com/2026/06/26/asphalt-shingles-vs-metal-roofing/] Asphalt Shingles vs Metal Roofing: Cost, Lifespan & What Contractors Actually Install
[https://roofing.renovateguide.com/2026/06/26/roofing-terminology/] Roofing Terminology Every Homeowner Should Know
[https://roofing.renovateguide.com/2026/06/26/types-of-roofing-materials/] Types of Roofing Materials: A Contractor's Complete Guide
[https://roofing.renovateguide.com/?p=1] Hello world!

## Author
[https://renovateguide.com/author/frank-mercer/] Frank Mercer — 45 years residential/commercial construction, HAAG Certified Roof Inspector, 500+ insurance claim consultations

## Authority & Off-Page Signals
- Primary author: Frank Mercer (HAAG Certified, Licensed GC retired)
- Industry sources cited: HAAG Engineering, NRCA, GAF, CertainTeed, Owens Corning, ASTM D3462, ICC IRC R905
- Site network: renovateguide.com (home improvement authority hub)
- Site established: 2026

## Supplemental Files
[https://roofing.renovateguide.com/llms-author.md] Author bio, credentials, expertise
[https://roofing.renovateguide.com/llms-faq.md] 20 Q&A pairs covering roofing topics