Insulation Behind Fireplace Insert

The location of insulation around a fireplace unit is important and unfortunately done incorrectly most of the time.

Insulation behind fireplace insert.

Trust rutland fiberglass fireplace insert insulation to create an airtight seal around your fireplace insert keeping smoke and gas contained for ideal fireplace performance. This makes it an ideal insulation material for use in areas that experience high temperatures. Properly insulating gas fireplaces is critical to preventing cold air penetration which can lead to moisture buildup and mold growth when the cold air meets the warmth of the fireplace. Install an air barrier behind fireplaces installed on exterior walls.

Are you suppose to put insulation on the outside walls. As such it can be used to insulate a chimney. I noticed there is a strong cold draft coming through the insulation that is tucked between the bricks and the studs. Cover the wall cavities with a fire proof rigid air barrier or other supporting material to create a continuous thermal barrier and prevent a fire hazard.

Fiberglass insulation is naturally fire resistant. Install insulation without misalignments compressions gaps or voids in all exterior wall cavities behind fireplaces. Hilaire of home energy group. I tore out the drywall around our wood fireplace to redo the basement.

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. On the exterior surfaces of the fireplace and chimney spray foam is fine because these surfaces won t get hot enough to melt it or to cause any damage. To keep a fireplace working properly never use spray foam on the inside of the fireplace or the chimney or on the damper. We have a wood burning fireplace insert that is so cold in the winter.

However it is critical to follow the fireplace manufacturer s guidelines and some general rules when doing the insulating to prevent creating a fire hazard. Rolls provide the length you need to keep your fireplace going strong throughout the cold season. If i pull the insulation back i see about a 6 inch air gap to the brick that surrounds the chimney pipe i assume. I don t think there is any insulation behind it.

The fiberglass is also black in spots where it s been filtering air infiltration.