Insulation Behind Fireplace Insert

Rolls provide the length you need to keep your fireplace going strong throughout the cold season.

Insulation behind fireplace insert.

I don t think there is any insulation behind it. The fiberglass is also black in spots where it s been filtering air infiltration. However spray foam is not designed for direct contact with open flame. Are you suppose to put insulation on the outside walls.

We have a wood burning fireplace insert that is so cold in the winter. You are most certainly supposed to insulate the three outer walls of any exterior chase to prevent the issue that you are now having. 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. I noticed there is a strong cold draft coming through the insulation that is tucked between the bricks and the studs.

As such it can be used to insulate a chimney. 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. This makes it an ideal insulation material for use in areas that experience high temperatures. The location of insulation around a fireplace unit is important and unfortunately done incorrectly most of the time.

Install insulation without misalignments compressions gaps or voids in all exterior wall cavities behind fireplaces. Install an air barrier behind fireplaces installed on exterior walls. 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. 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.

Fireplace insulation is key to an energy efficient system. If i pull the insulation back i see about a 6 inch air gap to the brick that surrounds the chimney pipe i assume. Hilaire of home energy group. Fiberglass insulation is naturally fire resistant.

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.