How much material will you need?
In roofing terms 1 square means 100 square feet. This form of measurement is standard in the industry for
many types of materials. When ordering or buying material, be aware of how much coverage you'll need.
Below are some coverage totals for different types of roofing supplies.
| 1 Roll mineral surface roofing | 36 ft. X 36 in. = 1 square or 108 square ft. |
| 1 Roll Roofing base sheet | 78 ft. X 36 in. = 234 square ft. |
| 1 Roll #15 standard felt paper | 144 ft. X 36 in. = 432 square ft. |
| 1 Roll #30 Standard felt paper | 72 ft. X 36 in. = 216 square ft. |
| 3 bundles of standard shingles | 1 square coverage or 100 square feet. |