Mixed Roofing Questions 4
| Slope Ratio | Span of Roof | Run of Rafter | Number of Units of Run | Unit of Rise | Unit of Line Length | Line Length of Rafter | Overhang Projection | Line Length of Overhang | Total rise of Roof | |
| A | 1:3 | 32’-0” | 2’-0” | |||||||
| B | 1:2.4 | 26’-0” | 1’-6” | |||||||
| C | 1:1.71 | 24’-0” | 1’-0” | |||||||
| D | 1:2 | 30’-0” | 2’-0” | |||||||
| E | 1:4 | 28’-0” | 1’-4” | |||||||
| F | 1:1.5 | 26’-0” | 1’-0” | |||||||
| G | 1:3 | 24’-0” | 1’-4” | |||||||
| H | 1:1.33 | 28’-0” | 1’-6” | |||||||
| I | 1:2.4 | 30’-0” | 2’-0” |
| Slope | Roof Span | Run of Common Rafter | Units Run | ULL | Rafter Line Length | Overhang Projection | Line Length of Overhang | Total Rise of Roof | |
| A | 4/12 | 28’-0” | 24” | ||||||
| B | 9/12 | 22’-6” | 16” | ||||||
| C | 1:2 | 19’-3” | 12” | ||||||
| D | 1.5:1 | 31’-0” | 8” |
| Slope | Run | Line Length of Gable Stud |
| 1:2.4 | 4’-0” | |
| 1:2 | 12’-0” | |
| 1:1.71 | 7’-6” | |
| 1:1.33 | 12’-6” | |
| 1:3 | 14’-0” | |
| 1:4 | 9’-0” | |
| 1:1.5 | 10’-6” |
| Slope | O.C. Spacings | Difference in length Gable |
| 1:2.4 | 16” | |
| 1:2 | 24” | |
| 1:1.71 | 12” | |
| 1:1.3 | 16” | |
| 1:3 | 24” | |
| 1:4 | 12” | |
| 1:1.5 | 16” |
| Slope | Span (mm) | Run | Number of Units of Run | Unit of Rise | Unit of Line Length | Line Length of Rafter | Overhang Projection | Line Length of Overhang | Total Rise of Roof | |
| A | 1:2.5 | 10 000 | 600 | |||||||
| B | 1:3.33 | 7200 | 600 | |||||||
| C | 1:1.67 | 8500 | 300 | |||||||
| D | 1:2 | 9600 | 300 | |||||||
| E | 1:1.43 | 5200 | 400 | |||||||
| F | 1:3.33 | 2840 | 400 | |||||||
| G | 1:4 | 9750 | 600 | |||||||
| H | 1:1.25 | 8660 | 600 | |||||||
| I | 1:1 | 7780 | 400 |
| Slope | Span | Run | Units of Run | Unit of Rise | Unit of Line Length | Line length of Hip Rafter | Overhang Projection | Line Length of Overhang | |
| A | 1:4 | 30’-0” | 24” | ||||||
| B | 1:2.4 | 24’-0” | 16” | ||||||
| C | 1:3 | 26’-0” | 24” | ||||||
| D | 1:2 | 30’-0” | 18” | ||||||
| E | 1:1.71 | 28’-0” | 12” | ||||||
| F | 1:5 | 24’-0” | 16” | ||||||
| G | 1:4 | 22’-0” | 6” | ||||||
| H | 1:3 | 18’-0” | 16” | ||||||
| I | 1:2.4 | 21’-0” | 14” |
| SI Slope | Span | Run | Number of Units of Run | Unit of Rise | Unit of Line Length | Line length of Hip Rafter | Overhang Projection | Line Length of Overhang | |
| A | 1:2.5 | 10000 | 600 | ||||||
| B | 1:3.33 | 7200 | 600 | ||||||
| C | 1:1.67 | 8500 | 300 | ||||||
| D | 1:2 | 4800 | 300 | ||||||
| E | 1:1.43 | 2600 | 400 | ||||||
| F | 1:1.33 | 2840 | 400 | ||||||
| G | 1:4 | 9750 | 600 | ||||||
| H | 1:1.25 | 4330 | 600 | ||||||
| I | 1:1 | 7780 | 400 |