Sealing Ductwork Foil Tape

Foil tape is a versatile product with a multitude of applications and product styles.

Sealing ductwork foil tape. Nashua 322 multi purpose hvac foil tape is specially designed for taping heating ventilation and air conditioning joints and seams against moisture and vapor and other general purpose repairs. Aluminum foil tape is a foil backed adhesive tape used to seal seams and small gaps on fiberglass boards and aluminum boards in hvac ducting. 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 item 2860804 model aftp188x150x27. It simply does not hold up.

If you re using mastic to seal seams in fiberglass board ductwork use fiberglass mesh tape for all joints. The fact that it is highly conformable and tolerates temperature changes makes it the perfect product for sealing duct work and its weather resistant quality means it can be used on duct in both indoor and outdoor environments. Luckily the ducts that run through your home can be sealed with either foil tape or duct mastic and every diy master or contractor has their own preference for what they use when working on residential ducts. Despite the name dust tape never seal air ducts with duct tape.

Because it is reflective uv resistant and conductive it is also used as shielding and for thermal insulation. Both mastic sealant and aluminum foil tape are good options for sealing air ducts. Taping joints and seams in duct work for a c heating and ventilation systems. This method for sealing leaky ducts can be less time consuming and messy but doesn t tend to stack up with other duct sealing methods.

Gaps in ductwork or plenums that are over 1 16 or 1 8 inch wide can be sealed with mastic as long as the gap is first reinforced with fiberglass mesh tape. 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. Duct sealing tape one of the ways you can seal leaky ductwork is with hvac duct sealing tape. Both of these options have their benefits and drawbacks and just like any project a professional assessment can go a long way toward ensuring the work is done right and will last well into the future.