Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
PROseal is premium water based high velocity duct sealant designed to seal against air leaks in low, medium and high pressure duct systems. It can be used on exterior or rooftop applications. It can also be used to internally seal longitudinal (Pittsburgh or Snap Lock) seams for ductwork used in systems requiring an “A” seal class.
