FSK Foil Tape – Acrylic Adhesive – 515 Series – 6.5 mil

FSK (Foil/Scrim/Kraft)

Primarily used for vapor sealing and patching on FSK faced fiberglass duct board.

Tri-directionally reinforced with fiberglass scrim for superior tear resistance.


Tridirectionally reinforced with 2 x 3 sq/in. fiberglass scrim, U.L. listed foil / scrim / kraft lamination. This tape conforms well to both fibrous duct board and blankets. Coated with a special cold weather, acrylic, pressure sensitive adhesive system that combines superior quick stick at normal temperatures with superior low temperature performance below freezing, this is the ultimate in cold weather tapes. Recommended for use at normal and elevated temperatures also.

Primarily used as a vapor seal on FSK faced fiberglass duct board and blanket systems.

Item # Roll Size Units / Case Case Size Case Weight
51503 3″ (72mm) x 50 yd 16 – Cello n/a 32 lbs

Technical & Consumer Data

Physical Properties

Total Thickness: 6.5 mil
Peel Adhesion: 70 oz/in
Shear Indefinite @: 2 psi
Tensile Strength: 40 lbs/in
Elongation: 2%
High Temp Resistance: 260F
Low Temp Sealing: -25F
WVTR: .02 U.S. Perms
Flame Spread: 5
Smoke Developed: 10

Meets ASTM C 1136
Conforms to British Standard Class 1 BS 476: Part 7

Physical characteristics shown are averages from tests recommended by our own procedures. A particular roll may vary slightly from these averages. The buyer should determine the suitability for his own use.


Technical Data Sheet

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