Nashua - 327 heavy-duty 17 mil printed aluminum foil tape with butyl rubber. Use as a general purpose repair tape for aluminum siding, storage buildings, flashing, gutters, awnings and other applications.
Duct joint sealing for low, medium and high pressure HVAC systems
Sheet metal repairs
General purpose repair
Very aggressive adhesive stays pliable and resists releasing
Instant air and water tight bond to sheet metal, duct wrap barriers, duct board and flexduct
High tensile strength
Clean, non-hazardous and easy to use alternative for mastics