312 



ENGINEERING ON THE FARM 



Curb, or gambrel. The curb, or gambrel, roof can be used 

 on large buildings where a maximum of storage capacity 



Fig. 254. Relation of roof type to storage capacity 



fa/Zey rafter. 



common rafters 



Hip rafters 



Jack rafters, 



Fig. 255. Showing rafter arrangement and names 



under the roof is required. It is the most desirable roof for 

 barns requiring hay storage. The ridge should run north 

 and south. 



