Can nashua 324 tape be used to seal metal ducts and plenums outdoor on a roof top [Archive]

Cris Young

Oct 5, 2013, 04:36 PM

Can nashua 324 metal tape be used to seal ducts and plenums outdoors on a roof top?

Grady White

Oct 5, 2013, 05:40 PM

They should be sealed with mastic but in a pinch 324 tape will work at least for a while.