Nashua FSK Insulation Seaming Tape – FSK

Brand: Nashua
SKU 17-0004
  • Foil Scrim Kraft Tape 3″ X 50 Yds
  • FSK Facing Tape
  • Material Aluminum
  • Silver


Out of stock


Nashua FSK Insulation Seaming Tape - FSK

Nashua FSK Insulation Seaming Tape – FSK is a Foil, Scrim, Kraft laminate tape with acrylic adhesive suitable for use in a wide range of temperatures. Used to seal and patch FSK duct boards and insulation. Provides an extra-strength seal to maintain vapor barrier integrity. Nashua FSK is specially designed to meet high strength, tear-resistant sealing tape requirements. Provides excellent adhesion to substrates over extreme temperature ranges (from -35°F to 260°F). Diamond pattern matches most FSK boards and blankets. 438X is UV, moisture and mold resistant and is non-solvent for less odor. It also has low VOC content and contributes toward satisfying EQ Credit 4.1 (Low Emitting Materials, Adhesives & Sealants) under LEED®. Meets flammability requirements for use in construction, aerospace and marine applications. Comes on a paper release liner. Made in the U.S.

Features & Benefits

  • Foil/Scrim/Kraft Laminate Backing
    • High strength and tear resistant
    • UV, moisture, and mold resistant
  • Synthetic Rubber Adhesive
    • Non-solvent for less odor and low VOC content
    • Super high tack, aggressive bond to surfaces
  • Low VOC Content
    • Can contribute toward satisfying EQ Credit 4.1 (Low Emitting Materials) under LEED®

Ideal For

  • Vapor barrier seal for insulation facing. Sealing insulation and repairing in cooler/refrigeration applications.

Nashua #FSK Specifications

What is a Mil Thickness?

How are adhesives different?

Restrictions and Compliance

Additional information

Weight 2 lbs
Dimensions 10 × 1 × 13 in


30 days




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