Durable Upper Floors 



293 



plank in the hot material, being careful that 

 when it is spiked down the hot asphalt does 

 not fly up into the face. Then proceed to lay 

 other planks in like manner. Finally pour 

 some of the material into the cracks if there 

 should be any.* 



Should the floor become worn in time and 

 need repairing, even up the surface by spread- 



Fig. 113. Making a barn floor. 



ing thin cement mortar upon it, and upon this 

 lay a second plank floor. The cement mortar 

 will assist in making the floor water-tight and 

 in preventing dry rot. Barn floors which have 

 become much worn from driving over them may 

 be treated in like manner. Where it seems 

 advisable to place cows on the second floor, and 

 over a manure cellar, the following plan may be 

 adopted: A tight floor, as in the former case, is 

 built with drips as shown; a small hole is 



*A floor laid, as described, seventeen years ago, is still in good repair. 



