SOUDAL Backing packing wool 600 x 48 x 25 mm for firestopping penetrations (15 pcs/pack)

SOUDAL Backing packing wool 600x48x25 mm for firestopping penetrations, 15 pcs/pack. Soudal – BACKING is a heat-insulating packing wool made from silicate fiber, developed as a backing material for penetrations and joints in firestopping. Replaces rigid firestop wool behind sealants. Also suitable for applications requiring high temperature resistance, such as ovens and around flue pipes.