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Bill Ragan Roofing Blog

Learn about roofing at the blog of Bill Ragan Roofing Company, LLC. Call our Nashville roofing company today!

GAF | CertainTeed | Landmark shingles vs. Timberline HDZ shingles

CertainTeed Landmark Shingles vs. GAF Timberline HDZ Shingles

By: Bill Ragan
August 12th, 2026

Trying to pick the right shingle for your upcoming roof replacement? Are you deciding between CertainTeed's Landmark shingle and GAF's Timberline HDZ shingle?

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Bill Ragan Roofing

2969 Armory Dr., Suite 300
Nashville TN 37204

(615) 242-0333

Office Hours: 

Monday-Thursday: 7:30-4:30

Friday: 7:30-2:00

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"I recently had my roof replaced and Bill and team did an excellent job! This could not have gone more smoothly. I would highly recommend them!!!"

- Jeffrey Gardner

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