Recent content by mebumu

mointainwalker and freddymercurystwin: Thanks for the excellent replies; very useful points indeed and this confirms my suspicions that manufacturers data should be treated with the proverbial pinch of salt!

I am in debate with a colleague about the relative merits of using Envoy Ultra underlay versus Timbermate Excel; the debate is centred on which one has the better heat insulation properties, i.e. higher thermal resistance. Visual inspection alone would tend to favour Timbermate Excel; it...