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A variety of techniques are widely used to tighten duct systems on site, including gaskets, tapes, sealing compound (mastic), internal duct lining, aerosol duct sealing. So-called "duct tapes" are often not suited for sealing ducts, [17] [18] which explains why, in the US, the International Energy Conservation Code (IECC) requires any tape used ...
Another form of self-amalgamating tape is made from ethylene propylene rubber (EPR) and has similar uses as silicone self-amalgamating tape but is non-vulcanising and has good moisture resistance. It is primarily used for insulating moisture sealing joints, splices and connections in electrical cables up to high voltages.
Sealing air ducts, which can account for 20% of heat loss, using fiber-reinforced mastic (not duck/duct tape, which is not suitable for this purpose) Installing/replacing dampers in exhaust ducts, to prevent outside air from entering the house when the exhaust fan or clothes dryer is not in use. Protecting pipes from corrosion and freezing.
Wheel fender extension to keep down lunar dust improvised using duct tape during the Apollo 17 mission. The first material called "duck tape" was long strips of plain non-adhesive cotton duck cloth used in making shoes stronger, for decoration on clothing, and for wrapping steel cables or electrical conductors to protect them from corrosion or wear. [4]
Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. The tape is sold cut to specific widths and wound on a spool, making it easy to wind around pipe threads. Thread seal tape lubricates, allowing for a deeper seating of the ...
Commonly available duct tape should not be used on air ducts (metal, fiberglass, or otherwise) that are intended for long-term use. The adhesive on so called duct tape dries and releases with time. A more common type of duct sealant is a water-based paste that is brushed or sometimes sprayed on the seams when the duct is built.