Vermiculite Chimney Liner Insulation

Having an insulated chimney plays an important role in any chimney construction or modification.

Vermiculite chimney liner insulation.

100litre bag of vermiculite insulation for backfilling the chimney around the liner. When installing a new liner for your heating appliance whether it is a furnace hot water heater wood burning insert or stove or existing fireplace consider insulating the liner. It can be used to pour back down the chimney filling the void between the brick chinmey and the flexible flue liner. Vermiculite is a light weight naturally occurring mineral which is an excellent heat insulator.

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. I have my reservations about these methods. The air between the liner and the chimney wall will insulate the liner air is a good insulator although the liner obviously touches a cold wall in many places. Pour the mix around the chimney liner while shaking the liner.

How many vermiculite bags of fireflex chimney insulation mix are needed for your installation. A good quality chimney insulation is the ideal accompaniment to any flexible flue system especially if your chimney is on an external wall. Chimney liner insulation offers many benefits in terms of improved system safety increased efficiency and. Vermiculite is irritant free ultra lightweight non toxic odour free and fire proof up to 1300.

The chimney insulation blanket wrap is the most popular because of how user friendly it is but it will add 1 5 to the overall diameter of the chimney liner. The vermiculite pour down mixture is the best option when the flue is tight or a chimney liner has already been installed. However it is often not difficult to insulate a liner just adds cost so it is up to you. Everguard insulation mix is a ready mix vermiculite based insulation material.

By keeping out the cold and maintaining the heat within the flue vermiculite granules and flexwrap or rockwool insulated tubes will keep the hot gases rising for an efficient draw on your stove. Simply prepare by gradually adding 4 7 gallons of water.