It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building.
Attic insulation around fireplace flue.
Most all insulation manufacturers recommend a 3 clearance to any heat producing device be maintained.
As such it can be used to insulate a chimney.
Insulating your chimney liner helps to.
Insulation has been sprayed inside the shield eliminating the required air gap.
Remove the insulation between the joists where the flue is located to clear an area about 18 inches away from the flue on each side.
More often there s a similar problem.
The opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic.
This makes it an ideal insulation material for use in areas that experience high temperatures.
A chimney liner or flue lining is a conduit that runs from a fireplace firebox to the top of a chimney.
Fiberglass insulation is naturally fire resistant.
Attic insulation around furnace flues sometimes it can be helpful to put the cart in front of the horse.
However if upon inspection.
Insulating around these ixtures see page 2 2 attic air sealing and adding insulation are do it yourself projects if your attic is accessible and not too dificult to move around in.
If the point where your chimney passes through your wall or roof is badly insulated there is a lot of heat passing through that area and.
Insulating around a fireplace prevents drafts.
2 increase fireplace efficiency by funneling air in and out of a home.
1 prevent problematic heat transfer from hot masonry to dry home frames in turn decreasing the risk of combustion.
Although the cellulose insulation piled up around the gas flue in an attic in the photo above is an extreme example we find missing shields around gas flues in attics occasionally.
Fireplaces emit a comforting glow during cold winter nights but if they are poorly designed they may take more heat out of your house than they put into it.