Rafters, 2 × 6s spiked to studs. A band of two 1 × 6s is placed around the studs just below the rafters, and helps support the rafters.
Supports for roof. There are three purline plates. Two of these are supported by posts, the other by braces running out from the silo. The roof is straight from eaves to peak. The bracing is similar to that of barn No. 4.
Silo, 18 feet in diameter, 56 feet deep, 2 feet in ground. Capacity, 350 tons.
Fig. 34. Barn 92 feet in diameter; Two rows of cows headed together; Silo in center.
Fig. 35. View of 70-foot self-supporting roof on barn shown in [fig. 36]; Note hoops on studs in right foreground.
Fig. 36. Barn 70 feet in diameter; Frame hooped for perpendicular siding; Lower section sided.