The second will be 1 inch smaller in diameter centered inside the first.
Fireplace block off plate insulation.
Insulating your fireplace is just one step you can take to increase your home s energy efficiency and stay warm this winter.
This opening will vary in size but generally you will be installing a 6 or 8 chimney liner.
Some installers put either nothing or a bit of insulation but you ll let a good portion of the heat straight up the chimney without a properly installed blockoff plate and create a significant thermal bypass even when not using the insert.
A damper block off plate fits into a chimney and reduces the amount of heat loss around the fireplace insert.
It is quickly and easily installed in the fireplace just below the damper level.
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Rutland products 1111 fireplace insert insulation fiberglass 1 1 2 inch by 10 feet 1 1 2 x 10 yellow.
For help keeping your home warm via your hvac system choose aire serv.
Fireplace metal block off plate seal insulation and steel pipe questions draw 2 circles on your sheetmetal.
People do unsafe installations all the time.
And a block off plate to keep the heat from going up the chimney around the liner.
The liner goes to the top of the chimney right.
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Now make cuts every half inch from your smaller opening out to the outside line.
The block off plate is a horizontal plate that blocks off the opening where normally a damper is in a fireplace.
1 will be the o d.
Another great option is to use our smaller insulation blankets.
Kao wool or mineral rock wool for insulation.
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The large fireplace plug is an inflatable urethane plug measuring 38 x 16.
Even if you have an unusual construction the fireplace plug can be successfully installed in less than 2 minutes.
Made of sheet metal a damper block off plate should fit snugly within the chimney and allow the flue liner to pass through.
When you have such a large opening around the liner a large amount of the hot air generated from the wood stove will be rising up into the chimney cavity.
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Don t assume it does.
If you are removing your fireplace damper and have questions check out our helpful article on what to expect.
Cut the smaller circle completely out.
These sections of insulated blankets can be cut shaped and placed with the sealing kit or by themselves into the openings to prevent the loss of hot air and increase the efficiency of your appliance.
Make sure you get a proper air sealed block off plate installed in your chimney and preferably an insulated liner.
