25 Year Limited Warranty
StainGuard® Plus™ Time Release Technology provides strong stain fighting power and comes with a 25-year limited warranty against blue-green algae discoloration.*
Roofing shingles featuring StainGuard® Plus™ Technology
Find a GAF Factory-Certified Contractor
At GAF, we train and test thousands of roofers make sure they're appropriately licensed (in states where licensing is required) and insured so they can offer our best warranties.*
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may have agreed that they will use GAF roofing products, and may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program.