FI140 Shutter Slab is a rigid, moisture resistant, non-combustible, rock mineral wool slab and used as a shutter/dam for our Nullifire FR230 Intucompound Fire Mortar.
FI140 Shutter Slab is to be used as a shutter/dam for our Nullifire FR230 Intucompound Fire Mortar, for use in fire compartment separating walls & floors.