Royal sovereign shingles combine a simple, timeless beauty with gaf’s Advanced Protection Technology. Some people think all strip shingles look pretty much alike. Not so. At GAF, we’ve gone to great pains to make royal sovereign the most beautiful strip shingle you can install. But don’t just take our word for it. Gaf asked an independent research firm to survey homeowners about whose 3-tab shingles they preferred. The result: more homeowners preferred the look of royal sovereign shingles to the other leading brands. And the #1 reason cited by home owners. Royal sovereign’s color blends.