FS709 HP is a high expansion graphite intumescent sealant containing the Optifire+ unique traceability identifier. Used as a closer device or as a standard fire seal, it rapidly expands when exposed to fire. FS709 is designed to reinstate the fire performance of compartment walls and floors which have been breached by services.
FS709 is suitable for use within flexible walls and rigid walls (75mm or wider), rigid floors (100mm or wider), CLT walls and floors, and also within FB750 Intubatt, FR230 Intucompound and FB770 Intudeck.
Technical documents
Nullifire publish the technical data sheet, declaration of performance and safety data sheet for FS709 on their own site, where the current revision is always shown. Nullifire FS709 technical documents


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