Insulation Behind Fireplace Insert

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.

Insulation behind fireplace insert.

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. I don t think there is any insulation behind it. You are most certainly supposed to insulate the three outer walls of any exterior chase to prevent the issue that you are now having. Rolls provide the length you need to keep your fireplace going strong throughout the cold season.

Install insulation without misalignments compressions gaps or voids in all exterior wall cavities behind fireplaces. I noticed there is a strong cold draft coming through the insulation that is tucked between the bricks and the studs. Hilaire of home energy group. I tore out the drywall around our wood fireplace to redo the basement.

The location of insulation around a fireplace unit is important and unfortunately done incorrectly most of the time. Install an air barrier behind fireplaces installed on exterior walls. However spray foam is not designed for direct contact with open flame. This makes it an ideal insulation material for use in areas that experience high temperatures.

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. We have a wood burning fireplace insert that is so cold in the winter. 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. As such it can be used to insulate a chimney.

Fireplace insulation is key to an energy efficient system. To keep a fireplace working properly never use spray foam on the inside of the fireplace or the chimney or on the damper. If i pull the insulation back i see about a 6 inch air gap to the brick that surrounds the chimney pipe i assume. Are you suppose to put insulation on the outside walls.

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