Everbuild Flue Jointing Compound is a ready mixed, finely dispersed asbestos free material with a stiff consistency. Everbuild Flue Jointing Compound will not harden completely and small movements can be accommodated without cracking. Everbuild Flue Jointing Compound is non-flammable and is temperature resistant up to 200?C. Everbuild Flue Jointing Compound can be used both internally and externally for applications such as, joining metal flues, low pressure air ducts and chasing pipes through brickwork and more.