Heating Ducts Leaking? Forget About Using Duct Tape

duct tape from thetapeworks.comDuct tape may have gotten its name because earlier versions of the product were used to hold sheet metal heating ducts together, but today’s version of the hardware store staple is not up to the task.

If your ducts leak warm (or cool) air, then you’ll need a tape with specially formulated adhesive that is designed to not dry out when exposed to long term changes in temperature and humidity.  This tape is usually made with a metallic rather than vinyl backing and coated with an adhesive that does not dry out when exposed to moving air or pressure changes.

Many HVAC techs prefer a water based mastic adhesive rather than tape for duct work joinery.

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