Show Matter of Insulation for the Poultry House While dead or trapped air Is one of ot the best insulating materials we have an on air space between two walls does docs not Insulate very well because the circulation of ot the tile air carries the heat or co cold d from one wall wail to the other says the Wisconsin Wiscon Wiscon- sin Agriculturist But If it dry sawdust sawdust saw saw- dust mill shavings or chopped hay or straw Is packed In lightly to fill this space and prevent air circulation circulation tion such a wall wail makes a very warm and comfortable poultry house I In using such filling tilling however It Is wise to make the inner and outer walls as tight as possible so as to minimize the danger of at the filling getting damp and partially losing its Us insulating value Also the upper up per and lower boards should be put on with screws for tor quick removal so that the sawdust can be easily taken out and sunned or renovated in case It becomes damp or Infested Infest infest- ed with mites |