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.

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. This insulating layer is usually made of lime and sand sprayed inside the chimney just as the mortar is drying. 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.

Fiberglass insulation is naturally fire resistant. Parging aids in the containment of gases from the fire whether its source is coal or wood. Insulating a fireplace door. It is strongly advised that you do insulate.

The first step to insulating a chimney flue done when it is first made is called parging. 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. Insulation inside the wall around the vent for a wall mounted fireplace is also forbidden because it can catch fire. To replace the seal remove the old gasket vacuum the gasket channel to remove any debris and.

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. As i stated in my first post vermiculite chips are the preferred method of insulating voids in around flues and serve a double purpose as they poured into the chimney a special funnel can be purchased or made tamped down firm. 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.