This document specifies the performance requirements for rigid or flexible metal flue liners, rigid metalconnecting flue pipes and their fittings used to convey the products of combustion from appliances to the outside atmosphere (including their supports).Vitreous enamelled connecting flue pipes are also covered by this document.Rigid flue liners can be used as flue liners for renovation or adaptation of existing chimneys and as flue liners of custom built chimneys.Flexible metal flue liners described in this document are exclusively for renovation or adaptation of existing chimneys. Flexible connecting flue pipes and extensible flexible products designed
DS/EN 1856-2:2009 history
2009DS/EN 1856-2:2009 Chimneys - Requirements for metal chimneys - Part 2: Metal flue liners and connecting flue pipes