Environment

Environment

Saturday, November 1, 2025

Insert 6 - Metalfire Optimum - enclosure partly demolition

The old stove needs removing to make room for the new one. Very important: what size pipe is the chimney channel? The Metalfire needs an 18 cm diameter flue pipe, the existing channel is a 20 cm galvanized pipe. Two problems: 20 cm is too wide, and galvanize steel is not suitable as a flue pipe.

The engineer hopes there is a second tube inside this 20 cm one, that is 18 cm. 15 cm would be trouble. (15, 18 and 20 are standard sizes)

As it was...


Take the front of the enclosure off:





Removed the old stove, there is a raised platform there, ladrillo and cement:


Also note: no insulation whatsoever.  That is bad. Walls and pillars need to be protected from a stove's heat.

Brittle cement, pebbles, and so a hole on the floor:


The chimney flue pipe is 20 cm, and galvanized steel. Rubbish!


Fill the gap in the floor with cement for an even level floor:

Leftover bits:





Oooh!


 

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