Nullifire FF177 PU Foam
FF177 is a modified, single component, fire rated polyurethane foam. FF177 is used to seal linear gaps.
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Certified to the latest British and European standards EN 1366-4, DIN 4102 Pt 1 (B1) and EN 13501: Pt 2
Features the patented ergonomic cap system for ease-of-use, improved yield and accurate dosage during application
Acts as an effective fire seal for up to 4 hours (BS EN 1366-4) when used with FS701 intumescent acrylic or FS703 silicone sealant