Nullifire FS709 HP Intumescent Sealant

FS709 HP is a high-expansion graphite intumescent sealant with a unique Optifire+ traceability identifier . Designed as a versatile closer device or standard fire seal, it rapidly expands when exposed to fire, helping to reinstate the fire performance of compartment walls and floors breached by services. Key Features & Benefits Up to 4 hours fire resistance , tested to EN 1366-3 and EN 1366-4 “Collar in a tube” – versatile and easy to apply Can be used directly or within FB750 Intubatt , FP170 Intucollar , FB770 Intudeck , or FR230 Intucompound Suitable for linear gaps up to 25 mm and openings up to 600 × 600 mm Optifire+ unique traceability identifier ensures easy identification Usage & Applications FS709 HP is suitable for use in: Flexible walls, rigid walls (≥75 mm), rigid floors (≥100 mm), CLT walls and floors FB750 Intubatt, FR230 Intucompound, and FB770 Intudeck systems Sealing combustible pipes (ABS, PE, PP, HDPE, PVC, PB, iMist, PEX, MLCP), insulated non-combustib