Silos and silage . po-site side. Nail thestaves on as is recommendedbecause of the fact thatit is important to havethe hoops at the doorsas imiform as possible. Making Doors andDoor Frames. Fordoor frames use floor-ing which has a 1-16inch bevel made so that the doors will fit into the frames fromthe inside of the silo and be continuous from top to using eight pieces of 3>4-inch face flooring, taking offthe tongue and groove of the outside pieces and beveling sothat they will fit the bevel of the door frame, a door about2Sy2 inches wide can be made. The length of doors
Silos and silage . po-site side. Nail thestaves on as is recommendedbecause of the fact thatit is important to havethe hoops at the doorsas imiform as possible. Making Doors andDoor Frames. Fordoor frames use floor-ing which has a 1-16inch bevel made so that the doors will fit into the frames fromthe inside of the silo and be continuous from top to using eight pieces of 3>4-inch face flooring, taking offthe tongue and groove of the outside pieces and beveling sothat they will fit the bevel of the door frame, a door about2Sy2 inches wide can be made. The length of doors is de-termined by the spacing of the hoops from center to center. The doors are made of two layers of flooring (see Fig. 10).the outer layer fitting into the bevel of the facing, while theends extend from the center of one hoop to the center of theother. The inner layer overlaps the outer layer about V/j,inches on each side, the ends being fitted 1% inches belowthe ends of the other layer. A piece of quarter round. Pig. 10.—^Doors are Constructed of TwoLayers of Flooring. 22 W. VA. AGRL EXPERIMENT STATION [Bulletin 157 fits against the inner layer on the sides. The two lay-ers are then put into the opening, nailed together, and a bat-ten nailed on. The doors may be made straight instead ofassuming the curvature of the silo (see Fig. 11). In this eventno batten will be needed. Instead of using batten the out-side layers run in a horizontal position and the space betweenthe door and the hoop is filled with a piece of wood cut toconform to the curvature of the hoop. Lathing and Plastering. The laths if dry should be soak-ed in water so that they will bend easily. Begin at the top ofthe silo and nail the laths, from 3/^ to >4 inch apart, direct to the staves. Breakjoints as much as pos-sible, as this willslightlv strengthen thesilo. One coat of acement plaster is usu-ally sufficient, using 1part Portland cementand 3 parts clean,sharp sand by volume,to which is added 10percent
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