Delta Duct FSK Tape

3-Way Foil-Scrim-Kraft • High Adhesion • HVAC Sealing Tape

Delta Duct FSK Tape is a professional-grade 3-way Foil–Scrim–Kraft (FSK) backing tape coated with a high-performance synthetic rubber adhesive and protected by an easy-release liner. Specifically designed for HVAC insulation and vapor sealing applications, it provides strong adhesion, durable bonding, and long-lasting sealing performance under various environmental conditions.

This premium FSK tape matches 3-way scrim FSK facings perfectly, ensuring a seamless, professional finish while delivering superior moisture and vapor barrier properties. Its aggressive adhesive formulation guarantees long-term reliability in both industrial and commercial duct sealing applications.

Key Features

✅ Excellent peel adhesion ensuring long-lasting bond strength
✅ Good initial tack for quick and easy application
✅ Permanent and durable adhesion under HVAC operating conditions
✅ Matches 3-way Foil–Scrim–Kraft facing for seamless appearance
✅ Provides reliable moisture and vapor sealing performance

Applications

Delta Duct FSK Tape is engineered for high-performance HVAC insulation systems and vapor-sealing applications, ensuring superior airtight protection. It is ideal for:

Sealing insulation joints and seams on 3-way scrim FSK jacketing
Thermal insulation and duct wrapping applications
Vapor barrier sealing in HVAC and industrial systems
Air conditioning duct connections and insulation repairs

Note: Ensure surfaces are clean, dry, and free from oil or dust before application for optimal adhesion.

Technical Data Sheet

Property	Unit	Value	Test Method
Backing Thickness	Micron	125	ASTM D3652
Peel Adhesion	N/25 mm	20	ASTM D3330
Tack (Rolling Ball)	cm	20	ASTM D3121
Tensile Strength	N/25 mm	100	ASTM D3759
Elongation	%	3.0	ASTM D3759
Service Temperature	°C	-20 ~ +80	—