Polyken 338 FSK Insulation Tape

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Polyken 338 FSK Insulation Tape

FSK Insulation Tape for HVAC

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Global
Meta Description Polyken 338 FSK insulation tape engineered for HVAC insulation seaming and vapour barrier sealing. Get a sample.
Standardized Name	Polyken 338 FSK Insulation Tape
Berry Global Entity	HHS Tape
Products	Tapes & Adhesives HVAC Tape Insulation Sealing Tape General Patch & Repair Tape Industrial Tape Foil Tape
Brands	HHS Polyken
Markets	Building & Construction Commercial Construction Residential Construction DIY HVAC
Capabilities	Manufacturing Tapes Manufacturing Adhesive Coating Adhesive Formulation/Mixing
Country Serviced / Available In	Global
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
End Use / Recommended Applications 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.

Spec

Custom Color

+ Global
Berry Catalog SKU	338
Sample Request Available	No

+ Physical Properties
Product Construction	Single-Coated Tape
Color(s)	Custom Color
Custom color(s)	Aluminum

+ Packaging Data
Max Temp Range	176-212 °F

+ Non-Packaging Data
Gauge / Mil	9.25 mil
Gauge/Thickness Range	9.1 mils to 13.0 mils
Carrier / Support / Facestock	Laminate
Adhesive Type	Rubber
Liner Type	Paper
Peel Strength / Adhesion to Steel	70 oz/in
Tensile Strength	35 lb/in
Operating Temp Range	40 to 200 °F
Performance Category / Characteristics	Low VOC

+ CPNA
Adhesive	Synthetic Rubber
Application Seal and patch FSK duct boards and blankets. Extra strength seal to maintain vapor barrier integrity.
Brand	Polyken
Carrier	Foil/Tri-Directional Fiberglass/Paper
Construction	Single Coated with Liner
Features Aluminum foil/scrim/kraft backing with a specially formulated adhesive interleafed with a release liner. Specially designed to meet high strength, tear resistant sealing tape requirements. Provides excellent adhesion to substrate over wide temperature range. Diamond pattern matches most FSK boards and blankets.
Liner	Kraft Paper

Santiago Casero
Product -> Berry Global Product
English
Created 03 Feb 2021
Modified 13 May 2026
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