cost per square for tear off of existing shingles
Total Costs. Based on the prices listed above, a replacement roof with mid-grade materials can cost $10,000 and up. A 24 square roof with asphalt shingles and a single layer of tear-off can cost as little as $6,700, while the same roof with zinc or copper roofing can cost as much as $30,000.An example of a contractorâs roof estimate walk-through can be viewed here.ypical costs for tear-off are listed below: 1 layer: $90 â $140 per 100 square feet. 2 layers: $110 â $160 per 100 square feet. 3 layers: $120 â $170 per 100 square feet. Asphalt shingles fall at the lower end of the spectrum because they cost less to remove than wood shakes or tile.