Shattuck Office Building: Enabled the second phase of a renovation project to meet code for leakage after the first phase had required extensive, and expensive, manual work

With days to go before the new tenants were scheduled to move in to their freshly renovated office building in downtown Berkeley, California, engineers learned that none of the newly installed ductwork came even close to passing the state’s tighter requirements for duct leakage. All of the ducts in the first of the two - phase project had been manually sealed with mastic before being mounted into place.