Planning and Estimating Production Rates
| Task / Description | Slow | Ave | Fast | Units |
| Asphalt Roof in layers | - | 45.0 | - | m2/day |
| Fiber cement roofing sheets | - | 39.0 | - | m2/day |
| Felt Roofs, large areas | - | 52.0 | - | m2/day |
| Felt Roofs, small or complicated | - | 35.0 | - | m2/day |
| Felt Roofs, Gravel roof chippings | - | 1.4 | - | Tons/day |