cost to replace shingles per square
Here are some potential costs when replacing roof shingles: 1  Removal of old roof shingles ($90 per square, which is a term used to represent 100 square feet) 2  Install new shingles ($115 per square) 3  Purchase new shingles ($80-$125 per square)  Roofing Felt ( $45 for a 4 square roll)