slice bread - wheat bread. *Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
1 Having a roofing contractor remove (and dispose of) old roofing materials, then install asphalt shingles runs about $1-$4 a square foot, or a total of $1,700-$8,400 for a typical ranch-style home (1,700-2,100 square foot, gently sloping roof). Do-it-yourself materials run around $680-$3,700 for a typical one-story ranch-style home with a 1,700-2,100-square-foot, gently-sloping roof. 2  Standard gray asphalt shingles in a three-tab rectangle are the least expensive; expect to pay more for higher-end colors and styles.
Cost. On average, dimensional shingles run around $3-5 per square foot installed, or about 20% more than 3-tab shingles. Designer shingles average $4-$6 per square foot installed. Please note that these are general averages, and do not include tear off of an existing roof.