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Vermiculite (Back Fill Insulation)

In stock

Vermiculite insulation for chimneys and fireplaces. 

Vermiculite chimney backfill insulation is fireproof, withstands high temperatures and can be used loose or mixed with cement to form lightweight concrete.

  • Vermiculite
  • Loose Back Fill Insulation
  • Dupre Minerals 100 Ltr Bags

Vermiculite 100 litre Bag

Vermiculite is used as an insulator for flexible liners inside  a chimney stack

By installing this you can improve the draw of fumes that are generated from your fire, whilst retaining heat as it ascends through your stack

More Information
Component Type Insulation
Installation Guide:

Vermiculite Also known as micafil is a excellent insulating material capable of withstanding temperatures in excess of 1000C the free flowing properties of loose-fill vermiculite make installation very simple. With the flue liner already connected to the stove pipe and register plate in place and secure ,leave the liner protruding from the top of the chimney or pot, then pour the insulation inside the chimney void around the liner until full up, (keeping the liner central),cut excess liner and finish with sand /cement etc..

Building Regulations :

We recommend that all installations are carried out by a qualified chimney installer.

additional information on installation and requirements can be found below.

 pdf documentDownload Document J Regulations

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