Polyken 338 FSK Insulation Tape

Product number: 338

FSK Insulation Tape for HVAC

Product Information:

  • Adhesive Type
  • Carrier / Support / Facestock
  • Gauge / Mil
    9.25 mil
  • Liner Type
  • Operating Temp Range
    40 to 200 °F
  • Peel Strength / Adhesion to Steel
    70 oz/in
  • Performance Category / Characteristics
    Low VOC
  • Tensile Strength
    35 lb/in
  • Color(s)
    Custom Color
  • Custom color(s)
  • Product Construction
    Single-Coated Tape

Features & Benefits:

  • Foil-Scrim-Kraft Laminate Backing
    • Durable and conformable
    • UV, moisture, and mold resistant
    • Excellent vapor barrier qualities
    • Matches FSK-faced materials for invisible repairs and seams
  • Rubber Adhesive
    • Super high tack
    • Aggressive bond to surfaces
    • Good all-weather performance
    • Operating temperature range 40 °F to 200 °F
    • Low odor and low VOC content
  • Kraft Liner
    • Easy to use, easy to remove

Regions Available

  • Global

Ideal For:

Joining and sealing FSK-faced insulation materials and vapor barriers. Joining and sealing fiberglass duct board where UL 181 Listing is not required by code. Repair, patch, and maintenance uses for insulation and duct board jacketing.


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