ᐅ Soundproofing a soil stack pipe running through the open-plan kitchen-living area
Created on: 25 Nov 2024 14:24
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Herbert67
Hello dear forum,
About two weeks ago, my family and I took over our new single-family home from a developer near Lüneburg.
Now that we are slowly moving in and the kitchen will be delivered soon, we noticed that a soil pipe in the exterior wall of the open-plan kitchen might not be properly soundproofed.
Above the kitchen is our bathroom. When we visited the house during the shell construction phase, I noticed that a soil pipe runs through the exterior wall from the kitchen into the foundation slab.
The pipe first goes down vertically about 20cm (8 inches), then horizontally about 70cm (28 inches), and then vertically again into the foundation slab. I seem to remember that the pipe was white, and something about it being a “sound-insulated pipe” was mentioned. From my research, it could be a Skolan pipe.
The pipe is partially wrapped in a red casing and fixed with a nail strip – which probably increases sound transmission, right? Also, I’m quite certain that the horizontal section is just a regular gray PVC pipe (HT pipe) and not a white, sound-insulated one.
When flushing the toilet upstairs, it sounds like water rushing through the entire wall down in the kitchen. Could this have been better insulated? And would you consider this a defect?
Looking forward to your opinions!
Best regards
About two weeks ago, my family and I took over our new single-family home from a developer near Lüneburg.
Now that we are slowly moving in and the kitchen will be delivered soon, we noticed that a soil pipe in the exterior wall of the open-plan kitchen might not be properly soundproofed.
Above the kitchen is our bathroom. When we visited the house during the shell construction phase, I noticed that a soil pipe runs through the exterior wall from the kitchen into the foundation slab.
The pipe first goes down vertically about 20cm (8 inches), then horizontally about 70cm (28 inches), and then vertically again into the foundation slab. I seem to remember that the pipe was white, and something about it being a “sound-insulated pipe” was mentioned. From my research, it could be a Skolan pipe.
The pipe is partially wrapped in a red casing and fixed with a nail strip – which probably increases sound transmission, right? Also, I’m quite certain that the horizontal section is just a regular gray PVC pipe (HT pipe) and not a white, sound-insulated one.
When flushing the toilet upstairs, it sounds like water rushing through the entire wall down in the kitchen. Could this have been better insulated? And would you consider this a defect?
Looking forward to your opinions!
Best regards
H
Herbert6726 Nov 2024 06:50Thank you all! I suppose I should have paid closer attention to the detailed installation plans and their execution when purchasing from the developer. Or, if in doubt, I should have refrained from buying if such issues don’t qualify as defects.
Herbert67 schrieb:
Then I probably should have paid more attention to the specific installation plans and their execution when buying from the developer.“Would have” doesn’t really help you now. If it’s too disturbing, open up everything you can, insulate the pipe with Armaflex, also insulate the casing or enclosure from the inside, then close everything up and make it look neat again.
It will be much quieter that way.
Whether you can get the developer to fix it or end up dealing with their general contractor remains to be seen.
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Herbert6726 Nov 2024 17:10How would you properly seal the wall again? With a panel on top or, as was probably done now, just mortar applied?
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nordanney26 Nov 2024 17:35Herbert67 schrieb:
How would you properly close up the wall again? With a panel over it, or as it was probably done now, just mortar applied on top? What is it like now? Drywall – then drywall again. Or plaster – then replaster.
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Herbert6726 Nov 2024 18:24The wall is currently plastered. Would the Armaflex then decouple the pipe from the plaster?
And would it be necessary to reduce the angles of the bends (as far as I know, 2x 45 degrees)?
And would it be necessary to reduce the angles of the bends (as far as I know, 2x 45 degrees)?
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