Fitting a flue liner how to fit a flue liner into a chimney for a woodburner or fire.
How to use vermiculite in chimneys.
It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue liner.
We explain how to fit a flue liner into the chimney and insulate it with vermiculite.
Fitting a flue liner into a chimney for a woodburner or stove.
100litre bag of vermiculite insulation for backfilling the chimney around the liner.
Vermiculite is a light weight naturally occurring mineral which is an excellent heat insulator.
This diy project includes pictures of a real installation of a wood burning stove.
This stuff absorbs and retains water so if your chimney leaks water at all the insulation material will gradually get wetter absorbing like a sponge.
Forget about using vermiculite in a diy concrete.
I have my reservations about these methods.