Show AIR CONSERVES BOARD FLOOR free circulation underneath prolongs life of lumber close Cloce open ings inge during winter board floors asua usua usually afy are short lived unless air Is allowed to circulate under them this may be provided for by means of openings in the foundation walls which should bo be closed during tile winter A board floor covered with one quarter inch of one fine sand w with ith scratching material on this makes 11 rood good floor the litter and sand can be removed readily when desired and fresh ma materials provided if tile the wooden floors are constrUCt constructed 41 within two or three trickles inches of tile thu ground it Is essential that the foun foundation dit brills bo be constructed in such a way that rats aaltio cannot t gain access beneath neath tile liner floor |