chimney

Footage of British steeplejack Fred Dibnah climbing a chimney overhang at over fifty years old, without a harness. It is a short clip from his steeplejack work.

Fred Dibnah, the English steeplejack, shows how ladders are fixed up the outside of a tall brick mill chimney. The footage was filmed in the mid-1990s and is part one of two.

A two-minute explanation of what a rocket mass heater is, starting from how a conventional wood stove works and why creosote and chimney fires occur. It shows how burning hot and storing the heat in thermal mass makes for an efficient heater.