94 The Hen at Work 



floor, in regions where winters are cold, with roofing 

 paper between each layer. One twelve-foot piece 

 of two-by-four stock will serve as a center brace 

 for the floor. Support it in the middle by a stout 

 post. 



If the double floor seems rather costly, a single 

 floor, with thick litter will give good service. It 

 must be of clear stock, and carefully tongued and 

 grooved, as any crack or knot hole will let wind 

 in and litter out. 



Waterproof Covering. — ^The cheapest and most 

 practical covering to keep wind and wet away 

 from our egg factory is good roofing paper, which 

 comes down on all sides to the lower edge. Do not 

 use cheap covering like tarred felt for this purpose, 

 as that will last but a year or two. A good quality 

 covering of standard manufacture will cost little ' 

 more and will last a long time. 



In laying roof paper, as in many other jobs in 

 life, we must begin at the bottom and work up. 

 First carry a strip round the back from the door 

 to the front edge on the west side, the lower edge 

 even with the lower edge of the wall. The next, 

 strip will lie flat on the lower part of the roof, 

 lapping over on both sides and rear, enough to 



