Dimensional/architectural asphalt shingles are the most popular type of roof for homes. Asphalt is the most affordable type of roof. Some asphalt shingles have IR4 ratings meaning that they can withstand impacts from hail. Still other types of asphalt shingles are offered in a wood shake or slate looking pattern and are made thicker to appear like these premium roofing product. These upgrades come at a cost to the regular asphalt installed on most roofs. There are some asphalt shingles that are rarely installed any more like 3 tabs, or no longer used at all such as t-locks. At White Roofing we put care into installing every asphalt roof, always using six nails per shingle to gain the manufacturers high wind rating.