Duct Sealant Or Foil Tape
Despite the name dust tape never seal air ducts with duct tape.
Duct sealant or foil tape. Both mastic sealant and aluminum foil tape are good options for sealing air ducts. Product overview nashua foil mastic sealant tape seals and seams low medium and high pressure sheet metal duct systems and ul listed flexible non metallic ducts. If you d rather not mess with duct mastic to seal up your hvac system aluminum foil tape is a solid alternative. The answer is in the article on this page.
3m scotch seal mastic. Hardcast recommends foil grip butyl tape for use with galvanized steel duct duct board or flex duct. No matter which sealant you choose for your ducts make sure you choose a high quality product and clean the application area first. It simply does not hold up.
Elk elk aluminum foil tape for metal repair air ducts insulated pipes hvac sealing ductwork vapor exhaust and heat resistant safe professional grade insulation sealer silver 1 88 in x 150 ft. Foil grip 1402 consists of 12 mils of butyl adhesive similar to the adhesive used in some flexible window flashings with a 2 mil aluminum foil top layer. The best foil tape for hvac tape is easy to use strong and resistant to. Red devil 0841dx f seal 181.
Foil tape is flame resistant holds up in extreme temperatures and sticks strong in high humidity. Foil or metal tape if you re tackling an hvac job at home aluminum foil tape should be your go to. Aggressive butyl rubber adhesive provides a permanent air and water tight seal. 8 hvac tape mastic sealant reviewed 1.