Soudal Fire & Acoustic Expanding Foam 600ml B1. Condition is "New". Dispatched with Royal Mail 2nd Class. Excellent primerless adhesion on most construction materials. Patented Gun Genius trigger mechanism for one handed application. • Fire rated polyurethane foam filler • EN1366-4 - B1 Fire resistance, up to 4 hours, B2 2 hours depending on joint configuration • Fire class DIN 4102 B1 • Acoustic rating - 58 dB • Insulation factor - 36mW/mK
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