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Chimney thimble replacement.
The proper way to close off a thimble port is with brick and mortar to create a solid and safe enclosure.
This through the wall chimney stove vent kit supports up to 40 ft.
The thimble enters the flue inside the chimney at a 90 degree angle and is designed to accommodate the entry of a stovepipe from a wood stove.
If there s no lining due to the flue then a new one needs to be installed.
For ideal results you should fill the cracks from both the inside and outside of the thimble.
The duraplus system from duravent is designed to the duraplus system from duravent is designed to stay cool on the outside provide a hot draft on the inside and boost stove efficiency offering a fire safe design that protects both the chimney and building.
It s important that your chimney service technician checks that the area that gets closed off has a lining.
If the thimble is slightly cracked you should go ahead and repair it.
How to replace the chimney thimble.
Simpson duravent pelletvent 3pvl x6 double wall air insulated pellet stove chimney adapter stainless steel inner wall and galvalume outer wall requires a dvl durablack chimney adapter 6 inch 4 6 out of 5 stars 50.
Things you ll need refractory mortar trowel putty knife hammer chisel.
Single wall stove pipe going from the stove to the chimney must have a minimum of 18 clearance to combustibles.
Installing a thimble in a chimney isn t difficult but the job needs to be approached carefully and systematically to avoid damage to the interior chimney flue.
A thimble should be cemented with high temperature cement into the masonry wall of the chimney and the stovepipe inserted into the thimble without cement for easy removal for cleaning and replacement.
180 degree heat shields are available for single wall pipe to reduce clearances to 6 for walls and 9 to the ceiling.
If the stovepipe is connected to a masonry chimney it should extend through the near wall of a chimney to the inner face of the chimney liner but not beyond it.
Of duraplus chimney pipe sold separately and features the necessary.
