FIREFLY® FR Intumescent Acrylic Sealant must be used when installing a FIREFLY® FB180 Batt system, to provide a tested and certified solution.
The sealant should be applied to all cuts, joints and exposed edges of the FB180 Batt, as well as around penetrations. FIREFLY® Ablative Coating may additionally be used.
FIREFLY® FR Intumescent Acrylic Sealant is also suitable as a linear joint seal in various substrates, including concrete, softwood, hardwood, steel, and gypsum board.
Product code : 35TFFFRINT01
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