Fischer general purpose foam B3 is ideal for the filling of all general construction applications such as sealing cavities around windows, doors, masonry, blockwork, timber frame and cladding whilst enhancing acoustic insulation. The foam can be easily extruded either by hand or gun and it hardens via chemical reaction when exposed to atmospheric humidity.
Note: This product is not a fire retardant foam.
B1 Firefoam is a quick-setting fire rated, one part polyurethane foam. It expands on application to yield up to 50 times the can contents and meets the extremely stringent requirements of the test criteria BS476 Part 20; Class B1. Fire rated up to 4 hours in certain joint configurations. Once cured, the foam can be cut, sawn or plastered over after approximately one hour.
Fischer Firestop foam is a single component, self expanding polyurethane foam which has been designed to be self curing via the absorption of moisture from the atmosphere. The foam has excellent adhesion properties and can adhere to most building materials. Tested to the DIN 4102, BS 476 and EN1366-4 the firestop foam also exhibits excellent thermal properties and helps to maintain the sound reduction index of a structure
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