Brand Comparison | Olympus Roofing

Owens Corning vs GAF Shingles: Which Is Better for Utah Homes?

Jun 26, 2026 | Brand Comparison, Materials

Last updated: June 2026 · Written by Cason Curriden, Owner — Olympus Roofing Quick AnswerOwens Corning TruDefinition Duration and GAF Timberline HDZ are the two most-installed architectural asphalt shingles in Utah. Both are excellent. Differences are modest: GAF...