Insulation Around Wood Stove Pipe

Fiberglass insulation normally comes in the form of batts or blankets.

Insulation around wood stove pipe.

Most code jurisdictions require the stove pipe be routed through a thimble to provide a safe distance from combustible materials. The area around the pipe will be an air heat leak i guess. You should never have insulation in contact with a wood stove flue pipe. At the top i have a plate covering the flue with a cap on top.

Available in 24 lengths. Rigid insulation increases the outside diameter of the liner pipe by 1 75. I was thinking of doing some better framing around it and maybe use rigid foam insulation but i read that building code requires a 2 gap around. You cannot put fiberglass insulation around wood stove pipe or liners the liners are rated to 2100 deg with proper insulation and as you stated the fiberglass is less than that.

I am reinsulating this wall and i need some advise on how to insulate this. Wood burning stoves. Around the pipe for a woodburning stove. I have a fireplace insert in my basement.

If the point where your chimney passes through your wall or roof is badly insulated there is a lot of heat passing through that area and into the outdoors. I packed some unfaced fiberglass insulation around the liner just under the plate at the top of the chimney. You worry for good reason. Compress the insulation around the rigid liner by hand until the two edges snap and lock together.

The pipe comes out of the wall into the garage and up to the roof. Sprayed polyurethane foam will start to burn at about 650 degrees fahrenheit which is within the range of a wood stove s chimney temperature. I want to insulate in the void above the woodburner so it will be about 2m above the actual fire. I have added a picture.

The only insulation that should be touching that flue pipe is something that s rated for high temperatures like mineral wool and even then only in accordance to the manufacturer s instructions. The fb grand manually specifically says to do this. These are strips of the material that are cut to length for installation by being stapled to the ceiling of a basement or the floor of an attic and by being affixed around fittings such as pipe work and chimneys. This is why they sell special insulation for wood liners.

Fire bug yes just in the damper area. Voids in a chimney flue liner to the full height of the flue is to use vermiculite chips can be bought for insulation purposes or as soil treatment check around for. Fireplaces emit a comforting glow during cold winter nights but if they are poorly designed they may take more heat out of your house than they put into it.