Roles

mortars for unit masonry construction. The affair was held in the new Sheraton-Tara Hotel in Framingham. Two types of hi-bond mortars were discussed and demonstrated by representatives of Amspec, the Dow Chemical Company marketing organization. The first

72 CMCA Convention

(Continued from page 15)

lined the 1971 achievements of C.M.C.A., such as the C.S.A. A224 1970 being changed from a "Masonry Code of Practice" to "A Guide of Design and Construction of Unit Masonry"; the closer liaiso