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by dingaling
2878 days ago
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I grew up in terraced housing in the biggest social housing scheme outside the Warsaw Pact, under the Northern Ireland Housing Executive. You never have privacy. I could hear my neighbour having sex. Party music vibrated through the floors regardless of dampening in the walls ( we tried cork sheets ). The back gardens were all overlooked. Everything you did was known. It was like growing up in a commune. When I see new terraced developments I am angry at the human cost being paid just so a contractor can save the cost of one wall and a metre of land per house. |
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Building codes throughout the United States require a measure of sound insulation between floors of multi-family dwellings. They specify a minimum architectural design standard of privacy of 50 STC (Sound Transmission Class) and a 50 IIC (Impact Isolation Class). The codes also state that validation of the minimum noise criteria can be field measured and the field measurements shall not be less than a 45 FSTC or a 45 FIIC.
Of course, contractors sometimes find ways to cut corners. But in general, neighbor-noise is a solved problem.