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Thermafiber® Aluminum Foil and FSK Tapes are engineered to provide a vapor seal between curtain wall mullions and FSP faced FireSpan® curtain wall insulation or other foil faced Thermafiber® insulation products.

Thermafiber aluminum foil installed on a section of wall

Specifications & Literature

When Life Safety Matters Most

Owens Corning® Thermafiber® is committed to providing solutions that help the commercial building professional confidently design, specify, and install durable perimeter fire containment systems for commercial structures.

Technical Information

Standards, Codes Compliance

ASTM C 1136FSK Tape, Meets
UL File NumberR10984
U.S. Coast GuardAluminum Foil Tape (CGA #164.112/63/0) (CGA#164.112/121/WCL MED 0287)

Technical Data


ALUmINUM FOIL TAPE

FSK TAPE


IMPERIAL

METRIC

IMPERIAL

METRIC

Thickness3.2 mils (0.0032")0.08 mm5.5 mils (0.0065”)0.14 mm
180º Peel Adhesion - Peel (PSTC 1)51 oz/inch width5.6 N/cm66 oz/inch width18.3 N/2.5cm
Tensile (PSTC 31)21 lbs/inch width36.8 N/cm39 lbs/inch width68.3 N/cm
Elongation (PSTC 31)9%9%2%2%
Low Temperature Application-40°F-40°C-40°F-40°C
High Temperature Resistance260°F127°C240°F116°C
Emittance (ASTM C 1371)0.030.03-
WVTR (ASTM E 96 Proc. A)0.02 U.S. Perms0.02 U.S. Perms
Flame Spread (ASTM E 84)10101010
Smoke Developed (ASTM E 84)10101010

Applications

  • Walls

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