222 



Illinois State Dairymen s Association. 



As the silo was partially cut in two on the side where the 

 openings were left, it was necessary to reinforce it between the 

 doors. The strongest, cheapest, and most satisfactory way to do 

 this was to ceil that side of the silo with an extra thickness from 

 the bottom to the top, using half-inch lumber, the same as that 

 with which the silo was lined. The doorways were, of course, 

 left in the middle of this extra ceiling and the spaces between the 

 doors were thus covered with two thicknesses, with no broken 

 joints for 14 feet, as shown in Cut 17. The ends of the boards 

 of this inner lining broke joints on three studs so that all of the 

 strain at the end of these boards should not come at one stud. 

 These irregxilar ends were filled out with short pieces so that the 

 edge of the extra thickness would come in a straight line. Since 

 this inner ceiling left a jog of a half inch, the thick edge of com- 

 mon shingles was butted against the ends of the half -inch boards, 

 thus running the extra thickness down to a feather-edge and 

 making an apparently even surface on which to lath. (Cut 17). 



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Imteeioe before Lathing 



Cut 77. — Detail of Extra Lining Showing Method of Reinforcing the Side 



of Silo in which Doorways Were Left. Figures Indicate 



Ends of Boards Showing Methods of Breaking 



The silo was then lathed with common four-foot lath, break- 

 ing joints as shown in Cut 18, and nailing the lath solid to the 

 half-inch ceiling without furring out. It is usually recommended 

 in lathing silos that the edges of the lath be cut on a bevel so that 

 when nailed to the wall a dove-tailed joint is formed for the 

 mortar, or that the lath be set out on furring strips so that the 

 mortar may clinch behind the lath. Experience shows that this 

 is entirely unnecessary. 



The plaster was made of one part Portland cement to two 



