Vermiculite In Chimneys

The house is now about 100 years old i will be lining the chimney with a flexible 904 liner.

Vermiculite in chimneys.

100litre bag of vermiculite insulation for backfilling the chimney around the liner. The mi flues screw fix insulation back filler is a new concept to make the job of back filling your chimney with vermiculite as easy as possible when using a. Vermiculite gives perfect coverage of insulation in difficult to reach places as well as an easy to manage level fill. In residential domestic chimneys vermiculite concrete mixes can be used for extra insulation between brickwork flue and liner.

For this application a 6 1 mix is normally used. Vermiculite is a light weight naturally occurring mineral which is an excellent heat insulator. It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue liner. Micafil is typically used for chimney flue linings.

100litre bag of vermiculite insulation for backfilling the chimney around the liner. This will stop the new flue moving about when being swept provide insulation. Vermiculite is a light weight naturally occurring mineral which is an excellent heat insulator. A chimney that is 13 long x 13 wide and is 15 tall with a 6 liner installed needs 8 bags of fireflex mix.

When radiant heating pipes are laid in buildings they may be placed on top of a vermiculite concrete screed. I have my reservations about these methods. 20 bags at 20 per bag. How many vermiculite bags of fireflex chimney insulation mix are needed for your installation.

It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue liner. I have been told that i should have the chimney back filled with vermiculite after the liner has been fitted.