Fischer B1 Firestop Expanding Foam Hand 750ml Can 42757

Fischer Firestop foam is a single component, self expanding polyurethane foam that 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, when the foam is set it cures to a semi-rigid structure that accommodates low movement and vibration. High foam yield No post-shrinkage or expansion CFC free propellant Effective seal against smoke Rendered, cut, painted or sanded High bond strength Good adhesion to most building materials Excellent acoustic and thermal properties B1 Fire Classification as per DIN4102 part 1 EN 13501-2:2016+A1:2010 (Linear joint sealing) Sound reduction index: BS EN ISO 140-3:1995