Vermiculite In Chimneys

I have been told that i should have the chimney back filled with vermiculite after the liner has been fitted.

Vermiculite in chimneys.

I have my reservations about these methods. It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue 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. 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.

How many vermiculite bags of fireflex chimney insulation mix are needed for your installation. Vermiculite gives perfect coverage of insulation in difficult to reach places as well as an easy to manage level fill. It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue liner. This will stop the new flue moving about when being swept provide insulation.

For this application a 6 1 mix is normally used. Micafil is typically used for chimney flue linings. 20 bags at 20 per bag. Fireside s poured insulation is a mixed vermiculite masonry material used for chimney flue insulation.

Vermiculite is irritant free ultra lightweight non toxic odour free and fire proof up to 1300 degrees centigrade. When radiant heating pipes are laid in buildings they may be placed on top of a vermiculite concrete screed. In residential domestic chimneys vermiculite concrete mixes can be used for extra insulation between brickwork flue and liner. Vermiculite is a light weight naturally occurring mineral which is an excellent heat insulator.

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.