Why do I have Insulation in internal wall between two rooms?

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I have been carrying out a bit of DIY in my bathroom, in a new wall which was put up with my loft conversion which happened of the winter. Inside this new wall, I've found a significant quantity of insulation (rockwall or something of the like).



Clearly this was put in for a reason. But this is in a wall separating my bathroom from my internal staircase to the loft, so there is unlikely to be much of a thermal gradient between these two rooms.



Can anyone tell me why this was put in? Thermal insulation seems irrelevant, unless maybe it's to increase the fire redundancy of the partition wall. Only other idea I had was sound insulation, but wouldn't expect it to have that much effect.



I'm in the UK in case that helps anyone.










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  • could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
    – dandavis
    3 hours ago
















up vote
1
down vote

favorite












I have been carrying out a bit of DIY in my bathroom, in a new wall which was put up with my loft conversion which happened of the winter. Inside this new wall, I've found a significant quantity of insulation (rockwall or something of the like).



Clearly this was put in for a reason. But this is in a wall separating my bathroom from my internal staircase to the loft, so there is unlikely to be much of a thermal gradient between these two rooms.



Can anyone tell me why this was put in? Thermal insulation seems irrelevant, unless maybe it's to increase the fire redundancy of the partition wall. Only other idea I had was sound insulation, but wouldn't expect it to have that much effect.



I'm in the UK in case that helps anyone.










share|improve this question







New contributor




Puffafish is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.



















  • could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
    – dandavis
    3 hours ago












up vote
1
down vote

favorite









up vote
1
down vote

favorite











I have been carrying out a bit of DIY in my bathroom, in a new wall which was put up with my loft conversion which happened of the winter. Inside this new wall, I've found a significant quantity of insulation (rockwall or something of the like).



Clearly this was put in for a reason. But this is in a wall separating my bathroom from my internal staircase to the loft, so there is unlikely to be much of a thermal gradient between these two rooms.



Can anyone tell me why this was put in? Thermal insulation seems irrelevant, unless maybe it's to increase the fire redundancy of the partition wall. Only other idea I had was sound insulation, but wouldn't expect it to have that much effect.



I'm in the UK in case that helps anyone.










share|improve this question







New contributor




Puffafish is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I have been carrying out a bit of DIY in my bathroom, in a new wall which was put up with my loft conversion which happened of the winter. Inside this new wall, I've found a significant quantity of insulation (rockwall or something of the like).



Clearly this was put in for a reason. But this is in a wall separating my bathroom from my internal staircase to the loft, so there is unlikely to be much of a thermal gradient between these two rooms.



Can anyone tell me why this was put in? Thermal insulation seems irrelevant, unless maybe it's to increase the fire redundancy of the partition wall. Only other idea I had was sound insulation, but wouldn't expect it to have that much effect.



I'm in the UK in case that helps anyone.







insulation fireproof






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Puffafish is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 4 hours ago









Puffafish

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Puffafish is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






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Check out our Code of Conduct.











  • could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
    – dandavis
    3 hours ago
















  • could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
    – dandavis
    3 hours ago















could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
– dandavis
3 hours ago




could it be an addition, so the wall was exterior? the older insulation type suggests the work was done some time ago.
– dandavis
3 hours ago










1 Answer
1






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3
down vote













It was probably installed to reduce sound transmission. It's common to see materials that are more dense than fiberglass used as acoustic insulation, but fiberglass is used as well.



The sounds of water running and being flushed, drawers being closed, and other... human activities is often something folks wish to reduce in areas designed for serenity, such as a loft.






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  • I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
    – Ed Beal
    4 hours ago










  • When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
    – d.george
    3 hours ago










  • @EdBeal, I thought I mentioned that. :P
    – isherwood
    3 hours ago







  • 1




    I guess you did but I was being a little more graphic LOL.
    – Ed Beal
    3 hours ago










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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
3
down vote













It was probably installed to reduce sound transmission. It's common to see materials that are more dense than fiberglass used as acoustic insulation, but fiberglass is used as well.



The sounds of water running and being flushed, drawers being closed, and other... human activities is often something folks wish to reduce in areas designed for serenity, such as a loft.






share|improve this answer




















  • I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
    – Ed Beal
    4 hours ago










  • When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
    – d.george
    3 hours ago










  • @EdBeal, I thought I mentioned that. :P
    – isherwood
    3 hours ago







  • 1




    I guess you did but I was being a little more graphic LOL.
    – Ed Beal
    3 hours ago














up vote
3
down vote













It was probably installed to reduce sound transmission. It's common to see materials that are more dense than fiberglass used as acoustic insulation, but fiberglass is used as well.



The sounds of water running and being flushed, drawers being closed, and other... human activities is often something folks wish to reduce in areas designed for serenity, such as a loft.






share|improve this answer




















  • I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
    – Ed Beal
    4 hours ago










  • When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
    – d.george
    3 hours ago










  • @EdBeal, I thought I mentioned that. :P
    – isherwood
    3 hours ago







  • 1




    I guess you did but I was being a little more graphic LOL.
    – Ed Beal
    3 hours ago












up vote
3
down vote










up vote
3
down vote









It was probably installed to reduce sound transmission. It's common to see materials that are more dense than fiberglass used as acoustic insulation, but fiberglass is used as well.



The sounds of water running and being flushed, drawers being closed, and other... human activities is often something folks wish to reduce in areas designed for serenity, such as a loft.






share|improve this answer












It was probably installed to reduce sound transmission. It's common to see materials that are more dense than fiberglass used as acoustic insulation, but fiberglass is used as well.



The sounds of water running and being flushed, drawers being closed, and other... human activities is often something folks wish to reduce in areas designed for serenity, such as a loft.







share|improve this answer












share|improve this answer



share|improve this answer










answered 4 hours ago









isherwood

41.7k452104




41.7k452104











  • I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
    – Ed Beal
    4 hours ago










  • When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
    – d.george
    3 hours ago










  • @EdBeal, I thought I mentioned that. :P
    – isherwood
    3 hours ago







  • 1




    I guess you did but I was being a little more graphic LOL.
    – Ed Beal
    3 hours ago
















  • I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
    – Ed Beal
    4 hours ago










  • When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
    – d.george
    3 hours ago










  • @EdBeal, I thought I mentioned that. :P
    – isherwood
    3 hours ago







  • 1




    I guess you did but I was being a little more graphic LOL.
    – Ed Beal
    3 hours ago















I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
– Ed Beal
4 hours ago




I would add bodily noises, when I was building we did insulate the bathrooms like isherwood stated.+
– Ed Beal
4 hours ago












When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
– d.george
3 hours ago




When I built my latest home 20 years ago, I had the contractor install insulation in all the bedroom and bathroom walls to isolate and reduce sound transmission.
– d.george
3 hours ago












@EdBeal, I thought I mentioned that. :P
– isherwood
3 hours ago





@EdBeal, I thought I mentioned that. :P
– isherwood
3 hours ago





1




1




I guess you did but I was being a little more graphic LOL.
– Ed Beal
3 hours ago




I guess you did but I was being a little more graphic LOL.
– Ed Beal
3 hours ago










Puffafish is a new contributor. Be nice, and check out our Code of Conduct.









 

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