Masonry Magazine September 1961 Page. 9
Π
Pour contents of bag into wall cavities.
Repeat step 1.
INSTALLATION INSTRUCTIONS FOR ZONOLITE MASONRY FILL INSULATION
One reason why you can insulate concrete block or brick cavity walls for as little as 10 per square foot of wall with Zonolite Masonry Fill Insulation is that it's so fast and easy to install. You just pour until the wall is full. The second reason is its low initial cost. For complete information, write Zonolite Company, 135 South LaSalle Street, Chicago 3, Illinois.
Zonolite
ONRY - SEPTEMBER, 1961