AF-FSK-R Aluminum Foil Scrim Kraft Tape | 6.8 mil | Synthetic Rubber Adhesive | 50 Yard Case
AF-FSK-R Aluminum Foil Scrim Kraft Tape | 6.8 mil | Synthetic Rubber Adhesive | 50 Yard Case
Details
AF-FSK-R Aluminum Foil / Scrim / Kraft (FSK) Tape with Synthetic Rubber Resin Adhesive
A high-performance 3-way laminate FSK tape engineered for HVAC insulation sealing, vapor barrier applications, and duct board closure. The 4.8 mil dead-soft aluminum foil / fiberglass scrim / kraft paper backing is coated with an aggressive 2 mil synthetic rubber resin adhesive and wound with a 3.2 mil removable paper release liner.
Key Features
- Dead-soft aluminum foil conforms to irregular and curved surfaces for maximum adhesive contact
- Fiberglass scrim reinforcement for superior tensile strength
- Aggressive synthetic rubber resin adhesive — higher tack and steel adhesion than acrylic alternatives
- Provides a reliable vapor barrier to maintain system integrity
- 3" neutral core
- Alternative to Nashua #338FSK
Common Applications
- Closure system for fiberglass and mineral wool insulation systems faced with foil
- Sealing seams and joints on aluminum-faced fiberglass duct board
- Vapor barrier installation in HVAC and mechanical insulation systems
Physical Properties
| Adhesive Type | Synthetic Rubber Resin |
| Tape Thickness (w/o liner) | 6.8 mil |
| Adhesion to Steel | 91 oz/in |
| Rolling Ball Tack | 8 in |
| Tensile Strength | 27.3 lbs/in |
| Temperature Range | -4°F to 176°F |
| Application Temperature | 50°F to 105°F |
Sold by the case. Available in 2", 3", 4", and 6" widths — all 50 yards per roll.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.