Height Above PLate Table -- 3 / 12 | Rafter Seat Cut Length -- Each rows shows seat cut length with H.A.P for material size | ||||||||||
Material | Plumb height | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/8 | 3 1/2 | 4 | 5 1/8 | 5 1/2 | 6 3/4 |
2x4 | 3.61 | 3.23 | 3.11 | 2.98 | 2.86 | 2.83 | 2.73 | 2.61 | 2.33 | 2.23 | 1.92 |
2x6 | 5.67 | 5.29 | 5.17 | 5.04 | 4.92 | 4.89 | 4.79 | 4.67 | 4.39 | 4.29 | 3.98 |
2x8 | 7.73 | 7.36 | 7.23 | 7.11 | 6.98 | 6.95 | 6.86 | 6.73 | 6.45 | 6.36 | 6.04 |
2x10 | 9.79 | 9.42 | 9.29 | 9.17 | 9.04 | 9.01 | 8.92 | 8.79 | 8.51 | 8.42 | 8.10 |
2x12 | 11.85 | 11.48 | 11.35 | 11.23 | 11.10 | 11.07 | 10.98 | 10.85 | 10.57 | 10.48 | 10.17 |
1 3/4 X 11 7/8 | 12.24 | 11.87 | 11.74 | 11.62 | 11.49 | 11.46 | 11.37 | 11.24 | 10.96 | 10.87 | 10.55 |