Author Topic: Impact Noise from condo above  (Read 29547 times)

aconny23

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Impact Noise from condo above
« on: February 22, 2007, 02:44:35 AM »
I live in a 2 story condo conversion complex and the impact noise from the above unit sound like little bolts of lighting, I hear every step they take. I know they have carpet through out the condo except for the kitchen and bathroom area and that the subfloor is wood.  I have read about the floated ceiling thing but think it may a bit drastic. My idea is to ask my neighbors if I can have  them  remove the carpet and put some kind of noise reduction barrier, of course I would pay. What do you think is the best product or solution for impact noise in this situation? Would the MLV products you speak of eliminate the impact noise?

AC

johnbergstromslc

  • Guest
Re: Impact Noise from condo above
« Reply #1 on: February 22, 2007, 04:58:27 AM »
The MLV+foam products are better than standard carpet pad.  When installed with the MLV upwards, it's more effective at killing impact noise (and airborne noise, too).  You'll pay $2-3 per sq.ft., about the same as a resiliently hung ceiling would cost.  Now all you have to do is decide - spend money on their floor or your ceiling. 

aconny23

  • Guest
Re: Impact Noise from condo above
« Reply #2 on: February 23, 2007, 07:06:17 AM »
thanks for the info. I am assuming I can add the resilient ceiling to my exsisitng ceiling?How much will the reslient ceiling add to my exisiting ceiling? Do you know of anyone in the San Diego area that does this type of work?

AC

bjnash

  • Guest
Re: Impact Noise from condo above
« Reply #3 on: February 24, 2007, 03:47:43 AM »
I live in a 2 story condo conversion complex and the impact noise from the above unit sound like little bolts of lighting, I hear every step they take. I know they have carpet through out the condo except for the kitchen and bathroom area and that the subfloor is wood.  I have read about the floated ceiling thing but think it may a bit drastic. My idea is to ask my neighbors if I can have  them  remove the carpet and put some kind of noise reduction barrier, of course I would pay. What do you think is the best product or solution for impact noise in this situation? Would the MLV products you speak of eliminate the impact noise?

AC

You are on the right track  Get with them and work out a deal- remember, the sound from you is coming through to them and the easiest solution is MLV under their carpet...

BJ Nash - Senior Soundproofing Technical Specialist
Super Soundproofing Co
www.soundproofing.org
888-942-7723

samvasq

  • Guest
Re: Impact Noise from condo above
« Reply #4 on: March 27, 2007, 10:33:13 PM »
I live in a concrete structure condominium. It has a
www.insul-deck.com ( concrete beams and thin slab
filled in between with polysterene) type ceiling
/floor covered with
tiles. I hear a terrible impact sound from neigbours
above walking with shoes  as well as airborne voice,
TV etc.
What solution do you suggest?


bjnash

  • Guest
Re: Impact Noise from condo above
« Reply #5 on: March 29, 2007, 10:13:03 PM »
I live in a concrete structure condominium. It has a
www.insul-deck.com ( concrete beams and thin slab
filled in between with polysterene) type ceiling
/floor covered with
tiles. I hear a terrible impact sound from neigbours
above walking with shoes  as well as airborne voice,
TV etc.
What solution do you suggest?




Easiest to cover the floor with MLV with a foam backing, then carpet pad and carpet...
Otherwise, it's a major remodel with a floating ceiling, etc...
BJ Nash
Super Soundproofing Senior Technical Advisor

Ph: (760) 752-3030    FAX: (760) 752-3040
E-mail: bjnash@soundproofing.org
Anytime  (888) 942-7723
Visit us at: www.soundproofing.org

meisemann

  • Guest
Re: Impact Noise from condo above
« Reply #6 on: April 08, 2007, 01:51:38 AM »
I have a similar problem where I live (but they also have a dog).  The condominium I live in is a 3 story or 2 story if you don't count the ground floor condominium.  I live on the second floor and hear the people and their barking dog above me more than I would care too...much more.  Anyway, I can hear their footsteps and it sounds like they are walking on a hardwood floor and don't have carpets so the
MLV may not be an option in this case.  Is there something I could put over my drywall ceiling and paint that would dampen the sound.  I am thinking of some kind of material that I would put right over the drywall, paint it and it would look just like it did before except the ceiling would be 1/8 or so of an inch lower. ?? Idea/comments welcome.

Matthew

Hickory_Stick

  • Guest
Re: Impact Noise from condo above
« Reply #7 on: April 09, 2007, 05:50:37 AM »
Paint won't work here- you need something much more substantcial..

Hick

meisemann

  • Guest
Re: Impact Noise from condo above
« Reply #8 on: April 10, 2007, 12:57:38 AM »
Let me clarify my question (perhaps I should have started a new thread) but I am looking for something I can put over my drywall so I don't have to take out the drywall in the ceiling.  Does anyone know of a material, that can be painted, that can also stick to drywall well so that the finished product would look like my original ceiling but just be slightly lower due to the thickness of the material added to the original drywall?

I thought I read somewhere about adding another layer of sound retardant drywall.  Is this an option?  Don't forget the annoying barking dog in my post about two messages ago.  I want a zero gap hung ceiling basically or nonhung sound retardant.

Matthew

johnbergstromslc

  • Guest
Re: Impact Noise from condo above
« Reply #9 on: April 10, 2007, 03:10:37 AM »
meisemann:

There's no 'magic sheet' that's gonna solve your problem. 

You could put up another layer of drywall (preferably 5/8") and the extra mass would help, but the existing drywall is rigidly attached to their floor joists and you're gonna go and rigidly attach another layer of [something], so even if you get a lot of mass up there, there is a limit as to how effective it's going to be.  The vibration, especially from impact noise, is still carried efficiently from their space to yours.

A better solution is to tear off the existing ceiling, insulate and hang the new drywall on resilient channels.  You'll only lose 1/2" to 1" of headroom that way.  However, isolation clips + channels work much better - 1" to 1.5" lower ceiling.

meisemann

  • Guest
Re: Impact Noise from condo above
« Reply #10 on: April 11, 2007, 01:03:00 AM »
johnbergstromslc,

Thanks for your response.  I was hoping to avoid tearing away the drywall but it sounds like it will have to be done for good quality noise reduction.

Matthew

samvasq

  • Guest
Re: Impact Noise from condo above
« Reply #11 on: April 23, 2007, 09:01:25 PM »
So the membrane under the tile on the neighbours floor is better than in a hung ceiling ? by how much , how much more DB abatement can I expect ?what MLV do u suggest? have you heard of acoustiblok ? cost about $2.3/sq ft , just the membrane, anything better, cheaper?

is gypsum better that those new plastic accoustic ceiling with air channels in them ?

In case I have to go hung ceiling (if the above neighbours does not collaborate) should I go MLV or that new GreenGlue.com product with gypsum board? anyone has used greenglue?

thks for all your help


johnbergstromslc

  • Guest
Re: Impact Noise from condo above
« Reply #12 on: April 25, 2007, 03:22:16 AM »
If your talking purely about structureborne noise, it's always better to prevent the vibration getting into the structure in the first place, cause once it's in the building frame it's practically impossible to stop.  Sound travels much faster in solid matter than in air, and can propagate a longer distance with less attenuation - remember the old cowboy trick of putting one's ear on the railroad track to hear the train coming from miles away?

Can't give you a run-down on prices, but don't use MLV alone - for a floor underlayment application, use the MLV+closed-cell foam product, installed with the MLV facing upward.  Be sure to install it with tight seams, caulked and taped.

As for ceiling materials, stick with gypsum drywall - most mass for the buck, known acoustical properties, easiest to install.  Bag the 'miracle' products.  Resilient channels (or resilient channels+isolation clips) will work better than Green Glue alone, but channels, clips and Green Glue together probably is the best system for the money.

It's up to you, of course, but, personally, I'd go with a hung ceiling.  You might invest a lot of money in their floor, then, in six months, they decide to tear it up and put in new hardwood floors and all your money goes down the drain.  Better to invest in materials you can control and keep intact.


KashMan

  • Guest
Re: Impact Noise from condo above
« Reply #13 on: May 01, 2007, 07:10:43 PM »
My question to moderator/admin is how effective this resilient channel + isolation clips + green glue solution is in terms that it only reduces the relevant noises (impact noise) or eliminate it?  I have been reviewing this board for awhile now and I haven’t seen any feedback’s from the members who implemented the above solution and now they are living peacefully.

I am in the same situation where the Condo above me has wooden floors and we can hear the occupant footsteps (which includes a dog), wood squeaking etc. all day and late nights.  I am seriously thinking of going with the above solution but was curious how well does it work

samvasq

  • Guest
Re: Impact Noise from condo above
« Reply #14 on: May 10, 2007, 03:06:54 PM »
Hi John;

can you rate in DB reduction or estimated STC each option below , and what is  the ideal solution
1) hung ceiling with top to bottom air cavity (1 inch), 5/8 sheet rock, 1 inch cavity filled with R11 or R19 fiber insulation, 2nd 5/8 sheet rock ? total hight about 3.5 inch

2) hung ceiling no air cavity,  5/8 sheet rock, 1 inch cavity filled with R11 or R19 fiber insulation, 2nd 5/8 sheet rock ? total hight about 2.5 inch


3) hung ceiling no air cavity, 5/8 sheet rock, 1 inch air cavity , 2nd 5/8 sheet rock ? total hight about 2.5 inch

4) hung ceiling no air cavity, 5/8 sheet rock, green glue application , 2nd 5/8 sheet rock ? total hight about 1.5 inch

5)  hung ceiling air cavity 1 inch, 5/8 sheet rock, green glue application , 2nd 5/8 sheet rock ? total hight about 2.5 inch

6) any other variety of those?

thanks for all the help. any specific acoustic clips you recommend for the resilient channel?

is EPS polysterene a good acoustic insulator or better to repolace it with air or R11/R19? what is better r1 or r19?






 

anything