This article looks at the House of Lords decision in Barker v Corus (UK) Plc [2006] UKHL 20; [2006] 2 W.L.R. 1027 regarding the scope of the Fairchild principle. In particular, the article considers issues such as the claimant's own careless exposure to asbestos; apportionment; and the single agent rule. (2006) 122 LQR 547