Professional installers have long preferred the rugged, dependable performance that only a timberline roof can offer. That's why timberline shingles with Advanced Protection Technology are the #1-selling shingles in all of North America. But performance is only half the story. Since your roof can represent 40% or more of your home's curb appeal, you can improve its resale value with timberline natural shadow shingles from gaf. They'll give you the upscale, architectural look you want, at a price you can afford.