Insul-Plug Insulated Chimney Plug

Blocks old, unused thimble holes in masonry chimneys. Provides a thermal break from combustibles and prevents downdrafts from entering the room. Constructed of a ceramic based fireproof insulating material. The black outside plate covers up to a 10" diameter hole. Installs easily, simply insert the plug into the old thimble opening and tighten the expansion screw on the face of the plug. The side expand and create a tight fit inside the thimble opening. To remove simply reverse the process.

Available in two sizes 6 & 8 inch
Quick and easy install
6" plug adjusts from 5 3/4" to 6 1/8"
8" plug adjusts from 7 3/4" to 8 1/8"


Order Item
Insul-Plug Insulated Chimney Plug
6"
Ocp34200
$117.49
5 lbs
Insul-Plug Insulated Chimney Plug
8"
Ocp34250
$122.49
6.5 lbs

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Insul-Plug Insulated Chimney Plug
Shipping Weight 6.5 lbs
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Insul-Plug Insulated Chimney Plug

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