GAF and Owens Corning own the largest share of the asphalt shingle market in America, and apart from CertainTeed, another major player in the fiberglass shingles market, no other manufacturer comes close.
Most homeowners choose between GAF Timberline and Owens Corning Duration shingles. However, both brands make additional lines of shingles across the traditional and premium categories that are also worth considering. GAF offers an impressive 20 lines of asphalt shingles to choose from compared to 12 main lines of shingles from Owens Corning.
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Did you know? Independent roofers are often happy to install either brand – especially the bread-and-butter lines such as GAF Timberline HDZ and OC TruDefinition Duration shingles.
What we cover in this guide: This is a complete Owens Corning vs. GAF side-by-side comparison across all the main categories that matter to homeowners. It analyzes head-to-head the shingle options, quality, prices, warranties, and specialty shingles including those with Energy Star, Cool Roof, and Class 4 Hail Impact Resistance ratings.
Let’s put the comparison between these two popular brands into proper perspective right from the start
Owens Corning focuses mostly on the mid-range architectural shingle products, although it also makes low-cost 3-tab Supreme shingles rated for 60 MPH winds, and a few premium lines like Berkshire and Woodmoor.
GAF covers the spectrum more completely with a couple of 3-tab options like the Marquis Weathermax with an 80 MPH wind warranty and seven premium designer lines like the classic Camelot II and the beefy shake-designed Grand Sequoia available in standard and Class 4 Hail Impact rated shingle options.
In this guide:
In each major category, we pick a winner to help you choose shingles that will beautifully and effectively serve your home over the next couple of decades or longer.
- General Quality
- Performance and Value
- Hail Impact Resistant Shingles
- Energy-efficiency: Cool Roof Shingles
- CA Title 24, LA County Green Building Code Roof Shingles
- Warranty Comparison
- Bottom-line and Takeaways