Its got to be safe, its got to work really well and its got to look great. We design flue systems for our trade account holders all the time.
We design and supply systems using single skin enamel and stainless flue pipe as well as twin wall chimney in stainless or black. Of course we supply seals for forced biomass appliances.
Or you might want a pumice chimney system: 0cm to combustibles and very easy to air-seal for newbuild. Again we will do the design work for you.