Attic Insulation Around Fireplace Flue

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.

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. 1 prevent problematic heat transfer from hot masonry to dry home frames in turn decreasing the risk of combustion. Because the pipe gets hot building codes usually require 1 inch of clearance from metal flues 2 inches from masonry chimneys to any combustible material including insulation. Fiberglass insulation is naturally fire resistant.

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. Insulating around a fireplace prevents drafts. This makes it an ideal insulation material for use in areas that experience high temperatures. 2 increase fireplace efficiency by funneling air in and out of a home.

Insulation has been sprayed inside the shield eliminating the required air gap. The opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic. The projects recommended in this guide can usually be completed in a day or two and will provide beneits for years to come. Insulating your chimney liner helps to.

Apply a thick bead of high temperature caulk the flue on one side. Most all insulation manufacturers recommend a 3 clearance to any heat producing device be maintained. However if upon inspection. 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.

More often there s a similar problem. 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. Attic insulation around furnace flues sometimes it can be helpful to put the cart in front of the horse.