Description :

FJ203 is a firestopping backer rod made of rock wool sheathed with flexible glass wires.

Application Areas :

FJ203 is used to make fire-resistant expansion joints between masonry elements, wall and slab, directly exposed to fire or not, in hospitals, hotels, car parks, schools, airports, nuclear power plants etc…

Fire Resistance :

FJ203 can be used alone or in combination with silicone sealant FS703, for fire sealing expansion joints up to 4 hours, for joint widths from 10 to 50mm, in wall and slab (see Efectis classification according to NF EN 13501-2).