Your browser is not supported. For the best experience, you should upgrade to a modern browser with improved speed and security.
2017 Fall Training Schedule is Available. “Sign Up Today!” by clicking here.

Polyken® 1366804190440 338 FSK Insulation Tape

Item: 338FSK3
MFR: 651416B

Store Inventory

Sign in to see real-time inventory at the stores closest to you.
What’s the price?
Sign in for pricing.
Decrease quantity
Increase quantity

Frequently Bought Together

Best Sellers

About This Product

Product Info


Polyken® - 338 FSK Insulation Tape features a diamond pattern foil/scrim/kraft backing with a synthetic rubber adhesive and Kraft paper release liner. Use to create an extra strength seal or patch to maintain vapor barrier integrity in FSK duct boards and blankets. It is specially designed to meet high strength, tear resistant sealing tape requirements.
  • Tested in accordance with UL 723
  • Adheres in a wide range of temperatures
  • Diamond pattern matches most FSK boards and blankets


Weight1.75 Pounds (lbs)
Width2.8346 Inches (In)
Height2.8346 Inches (In)
Country of OriginUSA
UPC or Barcode742366000750
Hazardous MaterialNo
EPA Cert RequiredNo
Length6.5 Inches (In)
Adhesion Strength70 oz/in (To Steel)
ApplicationSeal and patch FSK duct boards and blankets.
Comments/NotesLEED - Contributes toward satisfying EA Credit 1 (Optimize Energy Performance) & LEED - Contributes toward satisfying EQ Credit 4.1 (Low Emitting Materials)
CompositionFoil, Skrim, Paper Release Liner
For Use WithSeal and patch FSK duct boards and blankets for extra strength and vapor barrier integrity.
LEED CertifiedNo
Maximum Temperature200°F (93.3°C)
Performance Temperature40°F to 200°F (4.4°C to 93.3°C)
Roll Length150'
Size2.82" x 150'
Tensile Strength35lb/in
Thickness8 mil
UL ListedYes
UL RecognizedYes
UV ResistantYes


Equipment Part List

Shop Honeywell products