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27th September 2013, 08:50 PM
I have been researching insulation/soundproofing for a few days now and it is doing my head in, Rw, Rw/Ctr etc.... :(
We are putting in a new first floor which will be above our existing ground floor ceiling, there will be 290mm between the existing ceiling and the new floor. We will have a bathroom and two bedrooms on the new floor. I want to put some insulation in to block some of the sounds from the kids rooms coming downstairs through the ceiling.
So far I know that rockwool is by far the best option for blocking sound, if I go with rockwool the R2.5 batts are 88mm high so I will still have a void of 210mm in there, will sound echo around inside the void? Will this be an issue?
option1.png (http://www.renovateforum.com/attachments/f85/98742d1380274782-bit-rockwool-vs-lots-glasswool-soundproofing-option1.png)
The other option which works out cheaper than rockwool is to fill the complete 290mm void with cheap glasswool. I know glasswool isn't as good as rockwool at blocking sound but if you you have 290mm of it, it is better than 88mm of rockwool?
option3.png (http://www.renovateforum.com/attachments/f85/98743d1380274799-bit-rockwool-vs-lots-glasswool-soundproofing-option3.png)
It's really hard to know what to do, anything with the word sound or acoustic in the product name automatically means it costs 4 times the price.
Any ideas?
Attached Images
http://www.renovateforum.com/images/attach/png.gif option3.png (http://www.renovateforum.com/attachments/f85/98743d1380274799-bit-rockwool-vs-lots-glasswool-soundproofing-option3.png) (19.8 KB)
http://www.renovateforum.com/images/attach/png.gif option1.png (http://www.renovateforum.com/attachments/f85/98742d1380274782-bit-rockwool-vs-lots-glasswool-soundproofing-option1.png) (20.5 KB)
Read the full thread at RenovateForum.com... (http://www.renovateforum.com/f85/bit-rockwool-vs-lots-glasswool-soundproofing-110835/)
We are putting in a new first floor which will be above our existing ground floor ceiling, there will be 290mm between the existing ceiling and the new floor. We will have a bathroom and two bedrooms on the new floor. I want to put some insulation in to block some of the sounds from the kids rooms coming downstairs through the ceiling.
So far I know that rockwool is by far the best option for blocking sound, if I go with rockwool the R2.5 batts are 88mm high so I will still have a void of 210mm in there, will sound echo around inside the void? Will this be an issue?
option1.png (http://www.renovateforum.com/attachments/f85/98742d1380274782-bit-rockwool-vs-lots-glasswool-soundproofing-option1.png)
The other option which works out cheaper than rockwool is to fill the complete 290mm void with cheap glasswool. I know glasswool isn't as good as rockwool at blocking sound but if you you have 290mm of it, it is better than 88mm of rockwool?
option3.png (http://www.renovateforum.com/attachments/f85/98743d1380274799-bit-rockwool-vs-lots-glasswool-soundproofing-option3.png)
It's really hard to know what to do, anything with the word sound or acoustic in the product name automatically means it costs 4 times the price.
Any ideas?
Attached Images
http://www.renovateforum.com/images/attach/png.gif option3.png (http://www.renovateforum.com/attachments/f85/98743d1380274799-bit-rockwool-vs-lots-glasswool-soundproofing-option3.png) (19.8 KB)
http://www.renovateforum.com/images/attach/png.gif option1.png (http://www.renovateforum.com/attachments/f85/98742d1380274782-bit-rockwool-vs-lots-glasswool-soundproofing-option1.png) (20.5 KB)
Read the full thread at RenovateForum.com... (http://www.renovateforum.com/f85/bit-rockwool-vs-lots-glasswool-soundproofing-110835/)