THE STAVE SILO. 



57 



Roof. Roof shall be made to a half-pitch of 6-inch clear 

 siding lapping joints, nailed to 2x4-inch rafters, 2-feet centers 

 1-foot by 4-inch ridge, and 2x4-inch plates. These plates to be 

 supported on two 4x4-inch pieces resting on top of hoops. Three 



Fig. 16. A cheap roof of a stave silo. (Clinton.) 



Ix4-inch collar beams shall be spiked to end and middle rafters 

 to tie side of roof together. (See Fig. 12.) Fig. 16 shows an- 

 other simple construction of roof on a stave silo. 



PAINTING. 



The entire outside of the silo, including roof, shall be painted 

 two coats of good mineral paint; the entire inside surface of the 

 staves and doors shall be thoroughly coated with hot coal tar. 



Note. Before filling silo, tar paper should be tacked tightly 

 over doors and the entire inside of silo examined and cracks 

 tightly caulked. 



The method of construction specified in the preceding may of 

 course be modified in many particulars, according to the condi- 

 tions present in each case, cost of different kinds of lumber, max- 

 imum amount of money to be expended on silo, etc. 



The following directions for the construction of stave silos 



