Considering a laundry chute.

In the basement, in the laundry room, there's a chimney flue (completely straight all the way up) that's no longer in use. On the upper floor, it passes behind the bathroom.

I had the idea that a hole in the bathroom wall would provide a very convenient laundry chute. The flue is about 300x180mm, which should work.

How can one best set up a good internal pipe for such a chute? Initially, the simplest seems to be finding a perfect pipe (plastic or metal), 5 meters in the right dimensions, and lowering it into the flue from above and taking it from there. Alternatively, perhaps some version where one tries to spread plastic on the walls (like a chicken wire frame with plastic wrap glued on the inside, glue on the outside, into the flue and create overpressure :)) Or is some form of slip casting with plastic a possibility? The goal is, of course, to get a smooth pipe that can be fitted with a stable start and endpoint (end and typical garbage chute at the top, 45° pipe at the bottom). The flue itself might just be plugged afterward (?).

Any ideas or advice? The nearest flue being used for a fire is over a meter away (several flues in between).
 
Fun idea but somewhat complicated and will cost a pretty penny. If you're going to follow building regulations for bathrooms, it's doubtful if a hatch will be approved; you might not be able to get a contractor to build it like that. The risk of water damage is minimal if it's placed high up, but still.
 
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BirgitS
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namnbyte
I would probably start by firing up with total madness one day and then take the temperature in the pipe that is to be converted, just to be on the safe side.
 
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Jonatan79 Jonatan79 said:
Fun idea but somewhat complicated and it will cost a bit. If you are going to follow building regulations for bathrooms, I’m not sure a hatch would be approved, you might not be able to get a tradesman to build it that way. The risk of water damage is minimal if it’s placed high, but still.
Thanks for the input! What do you think would make it expensive?

I looked at this thread: https://www.byggahus.se/forum/threads/tvaettnedkast-i-badrum.452241/page-2#post-4762406

To clarify, the hatch would be placed high up on the wall. Nothing goes through the floor.

I fully understand that aspects such as waterproofing in the bathroom, ventilation in the basement, fire safety, etc. must also be considered - there are many other aspects than what I asked about, of course. That said, I am very curious if anyone has any thoughts on the implementation in the chimney itself?
 
namnbyte namnbyte said:
Would probably start by firing up with total insanity one day and then take the temperature in the pipe that needs to be converted, just to be safe.
That can be arranged :)
 
W Weston said:
Thanks for the input! What do you think would make it expensive?

Checked out this thread: [link]

To clarify, the hatch would be placed high up on the wall. Nothing goes through the floor.

I fully understand that aspects like waterproofing in the bathroom, ventilation in the basement, fire safety, etc. must also be considered - there are lots of other aspects than what I asked about, of course. That said, I'm very curious if anyone has any thoughts on the implementation in the actual chimney?
You don’t know how easy or difficult it is to find pipes or similar that fit in the channel. How expensive or not it is to install/modify the channel. The hatch/opening in the bathroom will be more work, etc., etc...
 
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