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 GAF 3-Tab shingles cost approximately $2 to $3 per square foot installed (or $2,000 to $6,000 for an average-sized 2,000 square foot roof). 2  GAF Timberline roofing shingles cost around $3 to $5 per square foot installed ($6,000 to $10,000).or the most accurate GAF roofing shingle prices, fill out this form to receive estimates from multiple, prescreened contractors in your area. 1  GAF 3-Tab shingles cost approximately $2 to $3 per square foot installed (or $2,000 to $6,000 for an average-sized 2,000 square foot roof).
The amount of shingles needed to cover a roof is typically measured in squares. A square of shingles covers 100 square feet. Pricing is quoted by the bundle or by the square, and there are typically 3 bundles per square for standard 3-tab asphalt shingles.(Heaver shingles may be divided into 4 or 5 bundles per square.).ith asphalt shingles for example, installation costs could range from $25 per square foot for a flat roof up to $50 per square foot for a high pitched roof.