28 gauge galvanized round sheet metal pipe model sm 2860gr 14 42 69 42 69.
Cover furnace opening with sheet metal.
Sheet metal is thin and doesn t have the mass to store much heat.
I can t see any need for the rear heat shield or other concerns with a masonry fireplace behind the stove.
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In addition we offer take offs elbows round duct pipe and register boots that can be connected to the starting ductwork and run to each room.
The pipe opening can be tight to the pipe.
Master flow 14 in.
Can i also use some sort of sealant like silicone or other type to seal the patch used inbetween the furnace and sheet metal patch.
See how to cover it up by bending the perfect cover out of sheet metal.
Half section rectangular duct model rd14x8x48 17 35 17 35.
A thin sheet metal patch can also be cut to fit the hole with sheet metal shears.
Adding a metal cover for the fireplace opening doesn t change that.
It will leave a hole of about 10 x18 which i purchased some sheet metal to cover the hole and use sheet metal screws around the perimeter of the patch.
The patch is screwed into place with self tapping sheet.
The mantel might be the only thing to check.
Choose the width that easily covers the hole with one pass.