Nashua Tape 1542730 1.89 in. x 33.9 yd. Foilmastic Sealant Duct Tape

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About This Product

Achieve professional-grade results on HVAC projects with Nashua Foilmastic Sealant Tape—ideal for both contractors and confident DIYers. Designed with a puncture-resistant aluminum foil backing, this tape is perfect for sealing joints and seams in Class 1 flexible ductwork. Foilmastic delivers a fast, clean alternative to traditional mastic putty. Trusted by industry pros and approved for home use, Nashua helps you finish the job with confidence.

Highlights

STRONG SEAL: Premium butyl rubber adhesive forms a durable, waterproof, and airtight seal

INDUSTRY CERTIFIED: UL 181B-FX listed and SMACNA verified for trusted performance

RESILIENT BACKING: Aluminum foil backing resists UV exposure, moisture, mold, and mildew

LOW VOC: Low volatile organic compound content supports healthier indoor air quality

LEED COMPLIANT: May contribute to EQ Credit 4.1 for low-emitting materials under LEED guidelines

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