A modified, single component, gun grade, fire rated polyurethane semi-rigid foam.
A modified, single component, fire rated polyurethane semi-rigid foam used to seal linear gaps through fire rated areas of a building. Nullifire FF197 has excellent adhesion to most building materials such as wood, brick, stone, cement, plaster, polystyrene, cable sheaths, metals, plastics and firmly sets in approximately one hour.
Nullifire FF197 has excellent uneven gap filling properties and bonds to most common building materials. This product acts as a fire seal for up to 4 hour fire rating, tested to the latest British and European standards BS EN 1366-4 and DIN 4102-1 (B1) or for longer periods when used in conjunction with Nullifire M701 intumescent acrylic or M703 silicone sealant.
P12/335 Intumescent foam
P12/36 Intumescent foam
Standard product features