For questions specifically relating to structures that ventilate combustion byproducts of fuel burned in an interior space, such as a fireplace, stove, or furnace.

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119 views

Gap between 6“ dia wall thimble & 6” hvac pipe

I bought a 6" dia aluminum wall thimble to vent my 6" dia hvac steel exhaust pipe through to the outside. However, the diameter of the 6" thimble is actually 6 3/4". How do I effectively insulate the ...
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1answer
389 views

How can I add a fireplace to an existing non-fireplace chimney?

Our 83 year old house has a brick chimney covered up with drywall. We have no idea where the original flue was, but it must have vented a wood stove because there is no structure for a fireplace. We ...
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Is this fireplace suitable for wood burning stove?

We are about to re-plaster the entire room. We previously had a back burner boiler fitted but has not been replaced with a combi boiler. The hole in the fireplace has since been covered. With the ...
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0answers
117 views

What are my options for my chimney? (Ventless fireplace, insulation)

When we moved into our house it had an original chimney (now about 40 years old) but the original owners had converted the once-wood-burning brick fireplace into a ventless gas insert. I immediately ...
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0answers
48 views

How do I fix a chimney that does not conform to the insurance regulations?

The previous owners installed a fireplace in the house. A wood burning stove. It doesn't seem old or damaged. The stove itself is fine now that we moved it forward an inch and a half. Back to my ...