Infrared image of house

Chimney Insulation

I really don’t understand why the issue of heat loss up chimneys is not more high profile. Fortunes are spent on loft and cavity wall insulation, double glazing and exterior cladding. Yet having an open flue is like leaving a window open all the time. Worse than that, because chimneys are designed to draw air …

A prototype of the chimney sheep threaded parts

Tooling

Oh, I did go on a bit about the handle design, didn’t I? Well you probably didn’t read it all the way to the end and I can’t blame you. Anyway, I said I’d write about the tooling adventure next but I promise I’ll keep it brief. The handle needed to be extendable, light, strong, …