The Dinak DWN Twin Wall Flue Storm collar is used as extra protection above the flashing where the flue passes through the roof. Dindak DWN is Powder Coated Black and suitable for use both indoors and out.
Warranty Dinak DW & DW Black should provide many years hassle free service and is warranted for 10 Years (conditions apply)
Standards EN1856-1 T600 N1 D V2 L50040 G60
Fuels Use with gas, diesel, solid fuel, biofuel
Approvals CE & HETAS
Application Dinak DW and DW Black is a twin wall Insulated Flue system which can be used internally or externally. Used for domestic heating, domestic hot water, industrial/commercial heating, biomass boilers, open fires, bakery ovens.
Construction Dinak DW Inside Wall: Stainless Steel AISI 316L-1.4404 Dinak DW Outside Wall: Stainless Steel AISI 304-1.4301 Insulation: Mineral Wool 30mm. Dinak DW Black: Inside Wall: Stainless Steel AIS 316L-1.4404. Outside Wall: Galvanized Steel painted Black – Insulation: Material Wool
Installation Advice We recommend that all installations are carried out by a qualified competent person. Further advice on installation and requirements can be found in our guide download or on document J of the Building regulations