A distant friend called me to check a chimney in his home center location has two fireplace lower and an upper that share masonry block surrounding two chimney, Home built 1979. Lower chimney he wants an insert.We started out removing (saws all) damper out recent slammer install. We vacuumed the smoke chamber area looking up and saw where the clay liner was 11-11 outside diameter clay liner. Now just a guess its offset aprox 30deg from the center of the stove flue apox 10 feet up to clay liner total height 20 foot. My question is does the insulated liner need a support brackets inside the cavity area from the stove to the clay liner? The chimney is clean no creo I suggested he find a qualified person to install the liner with a video camera to inspect the bricks and install brackets I'm correct? tight area up there inside chimney cavity if your small. We talked to a few stove shops about this none suggest brackets just drop in liner and hook it up.
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