Insulation Around Fireplace Flue

Insulation around a gas fireplace metal chimney can catch on fire inside the walls or attic where it will continue to burn until it might be too late to extinguish it to prevent serious damage to your home.

Insulation around fireplace flue.

Parging aids in the containment of gases from the fire whether its source is coal or wood. When you install your chimney liner with the proper chimney insulation your reline job creates an environment that allows your appliance to be as efficient and safe as possible. It is strongly advised that you do insulate. Insulation should be tucked around all sides of the firebox and the flue.

Apply a thick bead of high temperature caulk the flue on one. Insulation inside the wall around the vent for a wall mounted fireplace is also forbidden because it can catch fire. Insulating a fireplace door. 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.

To maintain efficiency safety and to significantly reduce formation of creosote you will need to insulate the chimney liner. If you are concerned that the fireplace door might be leaking cold winter air or allowing smoke into your home you can replace the seal on it. Fiberglass insulation is naturally fire resistant. As such it can be used to insulate a chimney.

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. To replace the seal remove the old gasket vacuum the gasket channel to remove any debris and. This insulating layer is usually made of lime and sand sprayed inside the chimney just as the mortar is drying.