Questions tagged [flue]

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2
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1answer
33 views

Remove fireplace leave metal chimney on roof

I removed a wood-burning stove and cut through the double-lined metal chimney flue in the attic. In the short term I jammed some insulation in the metal liner and left the rest of the chimney with the ...
0
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0answers
19 views

Reline chimney or “chimney kit” on furnace exhaust

I had my brick chimney inspected, and the inspector found that the cracked clay tiles in the two flues (one for a gas fireplace, one for the furnace and gas water heater) need to be replaced. He ...
1
vote
1answer
116 views

What are these copper pipes and do I need to do anything to them before covering them with a wall?

Home was built in the 1950s, and this is where there was originally a shop in the back of a basement garage. We just tore out the wall that had been put up here (sometime in the 80s?) and were ...
1
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0answers
26 views

Can I make hole above a lintel for a flue

I'm doing some work on a flat and want to move the boiler higher up than it is. That means putting a flue above the window. The problem is I'm the second to top floor flat. As you can see from the ...
3
votes
1answer
85 views

Gas Combustion Air Duct Re-Route Considerations

What are the safety/legal considerations for safely re-routing gas combustion ducts? I have a two-story house with two gas combustion air ducts. The left duct serves a fireplace that is not in use and ...
0
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0answers
100 views

Why does boiler flue have to be sealed on both sides?

My boiler flue isn't sealed on the inside. Only the outside. I read it needs to be sealed on both sides. But why does it need to be sealed on the inside? Since its unsealed at the moment I can see ...
0
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0answers
50 views

Fireplace flue that can't be cleaned?

A licensed chimneysweep recently inspected the sole flue in our ~100 year old house. He reported that "buildup is not too bad, but the flue should be cleaned." He also reported that the flue could NOT ...
0
votes
2answers
407 views

How can I best connect this metal gas flue pipe to the old asbestos cement chimney pipe?

The asbestos cement pipe here can't be changed, but how can I make a robust fix for this junction to the a heater flue pipe? The gas utility is suggesting flue tape, but that's crazy. Tape won't ...
0
votes
1answer
189 views

Smell from recently capped chimney

We had our chimney capped a couple of months ago (the next-door semi were having theirs done, so we said "yes" to their contractor doing ours at the same time). The contractor has removed the chimney ...
0
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1answer
225 views

Leak from base of flue

During a heavy rain storm the chimney leaked from the base of the flue. In the picture you can see the drop as it fell. The crown and the chimney was rebuilt to just above the roof line 3 weeks ago. ...
0
votes
1answer
101 views

How do I determine if my chimney draft is correct?

I'm having issues with my boiler, and according to this answer, one of the problems might be that my chimney draft is incorrect. What steps are required to determine if my chimney draft is correct?
1
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2answers
1k views

B-Vent Flue Condensation

We have had a water spot appear and not go away in our master bath. After looking around I found out that the flue pipe, B-Vent, is dripping with condensation when the furnace is running. I have ...
0
votes
1answer
612 views

Chimney repair for old unused flue

We bought a house, built in 1986. The home has a "real" fireplace (heatilator style)- (Center flue), furnace is direct vented (now), and water heater is vented through the chimney (right flue). The ...