POULTRY FOR PROFIT 61 
and for foul air to pass out. These should 
not be cut up too high, but start at least a 
foot below the roof, and have the window lights 
extend at least half way down the front of the 
house. The curtains should extend quite a bit 
further down to the bottom of the house, to 
allow the foul air sufficient opportunity to 
escape. 
We should next examine the other walls and 
roof to make sure that they are not drafty, 
nor leak water. Usually these walls can be 
patched up with other boards, or heavy roofing 
paper, so that no draft is possible. In north¬ 
ern climates, where weather below zero is 
common, best results will be obtained by hav¬ 
ing two thicknesses of walls, to protect against 
cold nights. Roofing paper is excellent to put 
between the two walls, or even on the outside 
to aid in this matter. If the roof leaks, it 
might be advisable to re-shingle part of it, 
and here again roofing paper helps in making 
it weather tight. 
We must next examine the floor. If a 
wooden floor, then it is advisable to raise the 
house up from the ground about six inches, 
supporting it with posts. Some people follow 
