Masonry Magazine February 1969 Page. 15
Stuff the block, quiet the building.
The walls have ears. ZA GOLDEN Zonohe is cheap. BOOM
Pouring Zonolite Masonry Fill Insulation into masonry walls reduces sound transmission to a murmur. Increases fire ratings of two-hour rated block to four-count them-four hours. Doubles the insulating value of the wall to prevent chills and sweats of the occupants, while inducing a state of euphoria over low heating and air conditioning bills. What more do you want for as little as a dime per square foot? Remember. When you specify a block, specify Zonolite Masonry Fill for quiet's sake, safety's sake and comfort's sake. Also remember to mail coupon right now for complete info.
INQUIRY DEPT. GRACE Zonolite Div., W. R. Grace & Co., Dept. MA-02 62 Whittemore Ave., Cambridge, Mass. 02140
Gentlemen: Please send me complete information on your comforting, quieting, saving, fire-resisting Zonolite Masonry Fill Insulation, with complete technical data and specifications.
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