Professional results that a DIYer can be proud of begins with Foilmastic Sealant Tape by Nashua. This tape has a durable puncture resistant foil backing ideally used for taping joints and seams in class 1 flexible duct work for HVAC systems. Foilmastic offers a speedy and clean mastic putty alternative. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.
High performance premium butyl rubber adhesive provides a waterproof and air tight seal
UL 181B-FX Listed
Verified by SMACNA
Aluminum foil backing provides UV， moisture， mold and mildew resistance
Low VOC content
Can contribute toward satisfying EQ credit 4.1 (low emitting materials) under LEED
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