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Soundproofing with independent ceiling: your experience please.

(10 Posts)
Warzy1981 Sat 18-Feb-17 15:56:19

Hi.. I come across this about soundproofing ceiling. I live in a flat with people above they bang around, can hear kids screaming etc.. anyways 8 years now we have decided to drop the ceiling and soundproof. (Concrete slab ceilings). I started with drilling 3inch, 10mm holes and cutting 8mm thread bar to 6inch. Used injection resins and put the threaded bar in the holes let it dry over night! That sorted my problem of hanging 3-2" joists bolt them up to the ceiling. 500mm apart. Giving me 9 joists that took 3days to put up! Inside the joists I put Rockwool sound insulation 100mm. (That has done a treat on the airborne noise) No sound from kids screaming. Now for the inpack noise from dropping items and running around. I put 2x2" joists opposite way holding up the 100mm rockwool. Between the 2x2" joists I put rubber to separate the joists. I put the 2x2" 400mm apart. That drops the ceiling 5inch. Between the 2x2 I put 50mm rockwool soundproof insulation. So it covers the 3x2" joists. That gives 150mm rockwool. No noises from airborne sounds like TV Children screaming etc. Now.. I put resilient sound bar onto the 2x2" joists. Making sure it's away from the joists itself! Use a plaster jack to lift 15mm soundproof plasterboard and screw only into the resilient bar,. Making sure not screw into joists. That separate the plasterboard from joists. Making it resilient to inpack noise. This dropped my ceiling by around 6inchs. Costs around £600. And I done the work myself. I cuts out the airborne sound 95% and inpack around 70%. Well worth the work! Next room soon:0)

Ashh1 Sun 23-Oct-16 16:52:55

Hi. Same here - would be really interested in knowing if you had the work done and whether it was a success. Any other success stories out there?? Maybe there is no one!!

Mia894 Wed 18-May-16 23:13:27

Hi I know this is an old thread - but did you go ahead with the soundproofing and did it work?

PaulyV Tue 06-Aug-13 11:26:20

I have issues with impact noise from the flat above mine.

It's really interesting that despite a myriad of Internet searches with variations of the words "ceiling insulation success stories", I am still yet to find ANYONE who has a positive story to report.

I recently got a quote for the installation of a hybrid independent ceiling of £4,000. I was quoted 90% reduction in impact noise. If I go to "checkatrade" then I find many many happy reports from customers of this company saying how great their workmanship is, but STILL no one talks about the reduction of noise having been effective.

And then, doing some research on "checkatrade", I find it is in no way a reliable website.

I am left in a situation where I genuinely don't know what is best to do.

£4,000 is a lot of money to spend on an experiment....

Hmmmmmm

chicaN Mon 13-May-13 18:06:14

Hi,

I had a false ceiling added to combat impact noise from upstairs flat. It took about 8/9 inches off of my wall height. It cost me thousands and did absolutely nothing!

After much detailed research I believe the success of soundproofing between floors depends on the construction and date of the building, whether its wood or concrete floors and expertise of soundproofers - no point doing anything unless all the edges round floor/ceiling are properly sealed. if the building is liable to bit of movement, those edges will open up and undermine the whole effort.

Most recommended sound insulation for impact noise is 'floating floors or ceilings', however again it is up for question how successful they are- depending on some of what I have shared! Out of these two they often say it is best to get the soundproofing done on the floor of the trouble flat as impact noise is best treated at source of contact.

At least the firm were honest enough to tell you they could not guarantee success, mine told me there would be a 70% reduction on impact noise.

I hope it's been a success if you've had the works done.

MariscallRoad Tue 01-Jan-13 11:48:12

onedaysandy, A year ago exactly a quote for one bedroom 12x11 feet was £1519. We want to start with this to see how it works. The quote for soundproofing 2 bedrooms and lounge was £6,100. The ceiling would be lowered by 7 inches. The sound reduction would be around 50% which will improve the quality of our lives: we study and work from our place. Unfortunately most of our friends who live in older conversions have worse noise problem they have to put up (electric guitars from 2 am on). We found soundproofing in our case works out cheaper than moving and can be immediate solution, plus works well as thermal insulation. Our heating travels upstairs.

Fergus, as you say, the firm told us the walls will become 7 inches thicker, but no guarantee of noise reduction. laminate is nightmare but our LA has not outlawed it.

A surveyor firm advised us to get quotes from specialist acoustic surveyors

janmoomoo Sun 30-Dec-12 17:07:40

No experience I am afraid, but we looked into this quite extensively when we had a similar problem in a flat. We felt there just wasn't enough evidence that it was going to work sufficiently to justify the cost. A couple of surveyors said the same. I sympathise with you, its a complete PITA, we moved.

FergusSingsTheBlues Sat 29-Dec-12 14:28:38

I had walls soundproofed. Hasnt really worked as you need to lose twleve inches to make it effective. Secondary glazing is v effective. Really wish that was an option for doing my ceiling....do one room at a time if you go for it. Alternatively contact council, laminate is against the law in many councils and they might be able to enforce it. I have no idea why people think its ok to have laminate in flats, living under it is a nightmare.

onedaysandy Fri 28-Dec-12 21:54:35

No personal experience of soundproofing but am watching with interest (and bumping) because we have the same problem with our upstairs neighbours. In all likelihood we'll sell up though I wonder who would ever buy our property if they hear the noise from upstairs. Have you had any quotations? Do you know how much it might cost, or how much lower the ceiling would appear? Sorry to ask questions instead of giving answers!

MariscallRoad Thu 27-Dec-12 15:19:26

We decided to soundproof with an independent ceiling and thick layers of soundblocker under our existing ceiling. We live in a flat. The upstairs flat has laminated floors which cause noise to travel to us. Noise does not stop all day and continues till 3 am and beyond all night. We spoke with the landlady and tenants but no luck. So we had a company here who advised us to do the independent underceiling insulation. They said that some offending walls have to be soundproofed as well to stop noise travelling from joists down to us. So, does any one have this expeirience? Any company recommendations?

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