GAF | Timberline® UHD with Dual Shadow Line
1 Comparison refers to Timberline HD® Shingles. Thickness varies by plant; see actual shingles for comparison 2 Timberline® UHD with Dual Shadow Line, StainGuard Plus™ Time-Release Technology, and 25-year limited warranty against blue-green algae discoloration is only available on shingles sold in packages with the words Timberline Ultra HD® in yellow and the …
