Masonry Magazine February 1978 Page. 30
February 1978
MCAA TRADE SHOW EXHIBITORS
Space: 66
ARK-SEAL CORPORATION
931 W. Evans, Denver, Colo. 80223
Represented by: Henry Sperber, Hannah Sperber, Ralph Shaoul, Esther Shaoul.
Featuring: Insulation ASC patented U.F. foam machin