Professional results that a DIYer can be proud of begins with 330x Extreme Weather HVAC Foil Tape by Nashua. This foil tape is ideally suited for sealing joints and seams in air conditioning, heating, refrigeration and ventilation systems. It is suitable for a number of insulation applications in extreme weather conditions and climates. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.
