Show Tile Used for Floors Roofs and Partitions Light LIht weight and incombustible the for tor use as fireproof partitions roof roof- decks and floors are manufactured from gypsum and wood fiber tiber with about 97 07 per cent of the whole being gypsum sum and the balance wood fiber When used use for partitions such tiles tilea are laid up very much as brick Is s laid up only the mortar used Is s a n gypsum mortar For roof decks they are aro manufactured manufactured to special sizes laid across tho the steel roof members fastened and then are ready for any standard kind of ot a n roof lOOr covering When used for floors the they are covered with cement topping over which the finish flooring is ap plied In addition to barring fire because of or their incombustibility tile reduces the transmission of ot heat and sound from room to room or floor to floor because of the natural insulating properties of the gypsum from which they are made and because of the hollow hollow hol Ito low air space that each tile contains They also can enn he be sawed to fit sized odd spaces with the time same ease that wood woodIs Is sawed and nailed |