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Furnace Flue Insulation


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Furnace Flue Insulation. The opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic. Insulating the flue pipe can contain the heat, keeping your attic cooler.

Insulate around chimney flue r/Fireplaces
Insulate around chimney flue r/Fireplaces from www.reddit.com

Wondering how to install furnace flue pipe insulation? The decision of whether or not to insulate your furnace exhaust pipe should be based on a careful evaluation of the potential benefits. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.

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Insulate around chimney flue r/Fireplaces

The differential between the attic and the outside is about 13 degrees when the furnace is not active, so we have other insulation issues to take care of, but we think the quickest hit is this flue issue. Read along to know the installation process of. Turn the water heater or furnace off and allow the flue to cool to the touch. Insulating the flue pipe can contain the heat, keeping your attic cooler.

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