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Dennis Callahan is the director of business
development at EMSEAL Joint Systems Ltd. Located in Westborough,
Mass., and Toronto, Ontario.
The company has been manufacturing and supplying innovative and high-quality
expansion joint systems to the architectural and construction industries since
1979.
Today’s wall systems are being designed and constructed to perform a growing number of functions. Beyond simply separating rooms or enclosing a structure, they are now expected to maintain thermal conditions, contain the spread of fire, suppress the transmission of sound, and seal out the intrusion of water and wind. ...