"If duct leakage was the problem, we were facing the possibility of having to actually replace the hospital’s entire duct system – then we heard about Aeroseal. After conducting extensive research on the technology, our health and safety officer approved its use. It then took Aeroseal less than a day …

"The results spoke for themselves. The aerosol duct sealing (method) was able to do what several attempts at manual sealing with mastic/tape could not – and it did it without the demolition or disruption that traditional sealing requires. Our goal was to get the air handling units operating at optimal …