Floor and 'Wall Construction 



71 



paratively dry, since no damp earth rests against 

 it. This location of the root -cellar makes it con- 

 venient for unloading the roots through trap 

 doors in the floor, which are kept partly open 



Fig. 101. Deafening or packing the floor, to keep oxit cold. 



for a time after the roots have been put in, 

 to prevent them from heating. 



WALLS 



The foundation walls for barns need not 

 necessarily extend below frost, if the earth is as 

 dry as it should be ; for a slight settling of the 

 building does not result in injury, as in the 

 plastered house. All that is necessary is to 

 make the walls broad and strong and to have 

 them well drained. 

 p Masons understand the necessity of bond- 

 ing stone walls, and know how to perform the 

 work; but too often they are careless, and there- 

 fore need to be supervised. In Fig. 102, a well 

 bonded wall is shown at the left end, and one 

 imperfectly bonded at the other. If the wall 



