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Details
The Insul-Plug blocks old, unused thimble holes in masonry chimneys. It provides a thermal break from combustibles and prevents downdrafts from entering the room. The Insu-Plug is constructed of a ceramic based fireproof insulating material and will help stop the possibility of smoke and carbon monoxide from reentering the home. The black outside plate covers up to a 10" diameter hole. Simply insert it in the old thimble opening screw on the face of the Insul-Plug. The sides expand and create a tight fit inside the thimble opening. It can always be removed by reversing the process. Also available in a 6".
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Additional Information
Clearance Non-Clearance Country Of Origin United States Pipe Wall Single Wall;Double Wall Pipe Piece Thimble Type Chimney Liner Pipe Diameter 8 Inch Product Type Chimney Pipe Left Overlay Image Made in America.png Lowest Bulk Price 544.48 Brand Imperial
The Insul-Plug blocks old, unused thimble holes in masonry chimneys. It provides a thermal break from combustibles and prevents downdrafts from entering the room. The Insu-Plug is constructed of a ceramic based fireproof insulating material and will help stop the possibility of smoke and carbon monoxide from reentering the home. The black outside plate covers up to a 10" diameter hole. Simply insert it in the old thimble opening screw on the face of the Insul-Plug. The sides expand and create a tight fit inside the thimble opening. It can always be removed by reversing the process. Also available in a 6".
Clearance | Non-Clearance |
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Country Of Origin | United States |
Pipe Wall | Single Wall;Double Wall |
Pipe Piece | Thimble |
Type | Chimney Liner Pipe |
Diameter | 8 Inch |
Product Type | Chimney Pipe |
Left Overlay Image | Made in America.png |
Lowest Bulk Price | 544.48 |
Brand | Imperial |