what does gaf roofing stand for
What Does GAF Roofing Stand For? If you’re wondering what GAF stands for, it stands for green asphalt shingles. The GAF roofing brand has a wide variety of shingles for a variety of applications. This includes the Timberline shingle, which comes in 24 different colors. The Timberline shingle features a natural shadow effect and is resistant to fire. It’s also