Selkirk thimble

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maloney964

New Member
Oct 7, 2020
3
Theresa NY
Hello,
We are installing a Selkirk thimble and need to know if we can put insulation around the perimeter of the pipe. We’re sending it through a window. Of course we’ve built the “wall” to fill in the empty space.
Thanks
 
Use the product and directed in the instructions. I believe it comes with and insulation gasket of the wall and another for around the chimney pipe.
 
Can you be more specific? Is this the Selkirk IWT or the 6T-IWT wall thimble? Are you asking if the wall insulation can touch the thimble? If the later, it should be ok if unfaced.
 
I put rock wool between the skin of the double wall chimney pipe and the inner surface of the thimble.