Sika Fire Rated Backer Rod

Sika Backer Rod Fire Sika Backer Rod Fire is a fire resistant, mineral wool based backer rod for interior and exterior joints in walls and floors. Uses Linear seals in fire compartments like staircases, industrial facilities, warehouses, etc. Fire resistant joints exposed to chemicals or mechanical impact (in combination with Sikaflex PRO-3). Characteristics / Advantages Very versatile, can be combined with 3 joint sealants Adapts all irregularities of the joint Up to 4 hours fire resistance Efficient application from rolls