Everbuild Sika 488717 Fire Foam B2 Hand Grade Aerosol 750Ml

Everbuild EVBB2FIREHAN Fire Foam B2 is a quick setting one part polyurethane foam with fire resistant properties. The foam expands on application to up to 50 times its original volume and meets the requirements of DIN 4102 Part 1 for Construction Materials: Class B2Once cured the foam can be cut sawn or plastered over after only one hour providing the working temperatures (can and surfaces) are between +5 to +25°c ideally 20°c.The high degree of fire rating slows down the passage of flames and smoke in comparison to standard B3 grades.Everbuild EVBB2FIREHAN is hand operated and is ideal for filling gaps around pipe entries through fire rated walls to provide a fire rated seal around window and door frames and electrical wire chasing prior to plastering. Where a fire rating is required filling deep joints prior to applying sealant or plaster and also irregular gaps in stone brick concrete or plaster.It is ideal for fixing door frames timber structures windowsills thresholds and window frames.The product is also for insulating behind cladding to exterior walls behind soffit and barge boards even in automotive applications. Specification: Size: 750ml.PTDEVBB2FIREHAN