The stove sits in front of the fireplace and the piping runs through the damper plate opening and up the length of the chimney about 20 feet.
Insulation around wood stove pipe.
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.
I packed some unfaced fiberglass insulation around the liner just under the plate at the top of the chimney.
I am reinsulating this wall and i need some advise on how to insulate this.
Wood burning stoves.
I have a fireplace insert in my basement.
I want to insulate in the void above the woodburner so it will be about 2m above the actual fire.
Most code jurisdictions require the stove pipe be routed through a thimble to provide a safe distance from combustible materials.
The fb grand manually specifically says to do this.
You worry for good reason.
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.
At the top i have a plate covering the flue with a cap on top.
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 pipe comes out of the wall into the garage and up to the roof.
Available in 24 lengths.
This is why they sell special insulation for wood liners.
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.
Air traveling over the surface of the flue pipe may be required to keep it safe and cool.
Sprayed polyurethane foam will start to burn at about 650 degrees fahrenheit which is within the range of a wood stove s chimney temperature.
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.
You should never have insulation in contact with a wood stove flue pipe.
The area around the pipe will be an air heat leak i guess.
Rigid insulation increases the outside diameter of the liner pipe by 1 75.
I have added a picture.
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.
Around the pipe for a woodburning stove.
Compress the insulation around the rigid liner by hand until the two edges snap and lock together.
Fiberglass insulation normally comes in the form of batts or blankets.
