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Help me out here. How does a chimney cap not the whole pot fly off and break a window? I came back from my trip to find the vent cap off a chimney pot thru one of my windows.
The cap weighs a couple of kilos and sits down in the pot. Its in a fairly innaccessible place. Im in the attic of a 4 story tenament.
I just cannot see how this can happen. Surely the wind or venturi effect would not be enough
If someone did it surely they woild have picked a more accessible one 
Chimney sweep.
Dick van dyke did it didn't he?
...he's still alive, so it is possible.
Also TJ i now know exactly where you live 🤣
vigorous pigeon ?
Not a sweep as the chimneys are not in use hence the caps - I am fairly sure on this
Josh - I was worried about that 🙂
Even leith pigeons are not that strong
That's only half the cap..... I've had the top disk out of that cap come out the neighbours chimney and hit my dormer......
You say they ain't in use ... But is it possible the owners tried to re commission them as is popular trend in gentrified areas.
Yeah that would be my guess.
Chimney getting prepped for a stove.
Or someone was planning to poo down it. But it turned out to just be a fart.
trailrat - its the whole cap.
Its all offices below me and all the fireplaces are gone.
I have asked the owner of the rest of the building if anyone has been doing work on it. Its the only real explanation
The owners of the rest of the building say no one has been doing any work that they know of
Poltergeist?
Poltergeist?
Maybe one took residence whilst you were away and took a sharp exit on your return?
While you were in Australia, the UK was upside down relatively speaking so the pot fell off skywards.
When you landed back home it started falling in the opposite direction, but didn't land quite in the same place.
It's the only logical explanation.
Maybe Santa is just keeping his chops up to scratch.
Father Christmas.
The cap weighs a couple of kilos and sits down in the pot.
I can assure you that they weigh considerably more (well, the red ones do anyway 🙂 ) That looks like the larger size as well
Human intervention of some sort, mine are bedded on mastic to keep a bit more of the rain out
I've had the top disk out of that cap come out the neighbours chimney and hit my dormer......
I've had the top disc crack all the way around above the vent holes. I guess it's a two-piece construction, but it didn't go anywhere until I replaced the whole thing at some stupid cost, about £60 IIRC
these just sit loose in the pots.
Its a mystery. I might go and ask in the offices that could have the chimney in them but I am fairly sure the fireplaces have gone so they would have no access to the flues
Its really difficult to reach from the roof. I don't think I can put it back safely
Its really difficult to reach from the roof. I don't think I can put it back safely
They're not the easiest to put back when you can lean a ladder directly on the stack with one, if not two, hands off the ladder.
Do the fire service want a bit of practice?
because the stack is on the side of the building on a sloping roof I would have to walk along the top of the stack from the flat part of the roof. The ones at the end are easy to reach. there is also a very territorial herring gull nesting on the roof
Were you out of the country for storm Eowyn? Roof damage was widespread, if the pot it was sat in is loose then it could have tipped enough for the cap to fall out.
there is also a very territorial herring gull nesting on the roof
Ask politely, they're quite gullible
Job for a pro, methinks
Sounds like a neighbour has been watching The Great Pottery Throwdown and misunderstood the concept
All the ones that I’ve come across have been secured to the pot with mortar, or in the case of “‘half a job”, silicone. I would think that it’s possible that it’s blown off. Or a cat burglar?
eagles.
the chinmey pot is secure. Its the cap that has come off as in the pictures
Were you out of the country for storm Eowyn?
Yes - just been down to the office below - they said they spotted the damage from the street after the storm and came up to the flat ( they have keys) to check it was all secure so it looks like that must have been it. I didn't really know about the storm.
If its a long flue I guess the wind much have created enough draft to blow the cap off. Still weird tho as the cap would have to lift up 6 inches to come out of the pot
I've got a couple in my yard for a job. I just popped out and weighed one. It's next size up from yours I think, and weighs an impressive 9 kg. It's highly unlikely it blew off out of the can, more likely a sweep or it was taken out for an inspection and forgot to put back in. Then possibly wind moved it and crash
The wind load on some chimney stacks is enormous, I see plenty of them in a parlous state but never seen one blown over. Yet.
I checked with the building main owner - no one has been on the roof to do any work and the offices below the fireplaces are all blocked off. I can only imagine a gust got in to the building somehow and vented thru that flue???
Or poltergeists
That is Bishop Hill in the background over in Kinross-Shire , nice evening walk or a big circular run on the bike taking in West Lomond and Falkland hill
redmex? Nope - its looking east from leith or wrong thread?
If its a long flue I guess the wind much have created enough draft to blow the cap off. Still weird tho as the cap would have to lift up 6 inches to come out of the pot
I'm not convinced, but then I know nothing of Edinburgh's weather. We have four of the that size and they're 6kg each (according to Travis-Perkins)
Two are in octagonal chimney pots and are on 3mm aluminium plates so that the the pot corners are covered to keep the rain out. all four now sit on a mastic bed; if any were going to lift then the two on adaptor plates would have done pre-mastic.
That doesn't help you now, but a pro should check all of them, maybe you can split it with the other occupants??
I meant to say Largo Law, nice walk but too short and steep for a bike
still not. Its the lammermuirs. this side of the forth