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Butyl flange gasket tape formulated for use indoors and outdoors in all weather conditions. 


• Excellent cold temperature adhesion.


• Exceeds flange manufacturer requirements.


• UL clarified.


• Seals low, medium and high-pressure flanged HVAC duct systems.

• Does not harden, crack, chalk, or cold flow in high temperatures.

3/16" x 5/8" x 25' 

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