Nashua Tape 1.89 in. x 33.9 yd. Foil Mastic Duct Tape

Item # 461063 | Nashua Tape Part # 1086866 | UPC Code 742366010834 | UNSPSC Code 31201521 | Catalog Page #625
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Product Overview

Nashua Foil mastic Tape acts as a superior closure and sealing system for use with UL listed flexible, non-metallic air ducts and air connectors. Permanent air tight seal on sheet metal ducts. Sheet metal repairs. Passes SMACNA 1/2 in., 1 in., 1 in., 4 in., 6 in. and 10 in. pressure classes and seal classes A, B and C (results confirmed by the SMACNA Research and Testing Institute) for use on rigid sheet metal HVAC systems.

  • Foil tape with mastic sealer included
  • Used on flexible air ducts and sheet metal systems to seal and seam
  • Permanent butyl adhesive
  • Repositionable for easy, hassle-free installation



Peel Back Design
General Color Family
HVAC Product Type
Air Duct Accessory
Pack Size
Tape Width (in.)

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