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Need to Cheaply Sound Proof the Ceiling of a Basement Home-Threater. (+Better Door Seal)

post #1 of 19
Thread Starter 
Update: I have found from listening from the upstairs, that a lot of the sound is leaking around the door to the basement. I'm going to shop around for something to create a better seal between the door and the frame. Anyone have any suggestions for that as well?

Basically the title. I have two towers set up that output a decent amount of bass, but I am looking into getting a dedicated sub. My mom already complains about feeling the bass from 1 floor up. sadly her office is literally right above where the towers are. So what I'm really looking to do is stop the vibrations from going through, not as much the sound. The room has a drop ceiling with tiles, and I found thisonline, but it seems way too expensive for my taste. I'm looking for something cheap. There is a lot of room between the drop ceiling and the actual ceiling, so I could just stuff some sort of noise suppressing foam in there, or a sheet or board (or some thick carpets?). I assume anything massive would do. I am willing to spend some money, but hopefully no more than $150. If it could be kept under $100 that would be even better. (It's a large room, approximately 17x24 feet). So throw my some reasonable suggestions.

P.S. I'm aware there have been many other posts like this, but I didn't find any with my exact circumstances, so bare with me.
Edited by ThreeT3n - 2/15/12 at 2:28pm
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post #2 of 19
You can try to stop the noise, you will not stop the vibration but a subdude my help very slightly around $50 each.
Edited by hick - 2/13/12 at 7:28pm
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post #3 of 19
Thread Starter 
Seems... like it wouldn't help a whole lot. How much would the subdude help, given the information that the woofer would otherwise be on a thin carpet with cement underneath? Excuse my stupid question if this turns out to be one, I just know nothing about acoustics.
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post #4 of 19
egg cartons..lots of egg cartons :lachen.gif:
or..styrofoam insulation (tyvek)?
 
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post #5 of 19
Lol. Save your money. You will not stop bass from going through your walls with that budget.
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post #6 of 19
Yeah, I'm not sure you can effectively insulate bass with that budget. You really want to insulate the walls, as the bass is traveling from the floor to the walls, and then up to the ceiling (assuming the subs are on the floor and not mounted on a wall for some reason). Something you could try is moving the subwoofers themselves. The more walls the sub is near, the more the soundwaves will become omnidirectional. If you put the sub in a tri-corner area (two walls and a floor), then the bass will travel farther than if you were to put the sub in a dual-corner area (in the middle of one wall, and a floor). Perhaps insulating the single wall the sub lies next too would probably be the most cost efficient solution, however still likely out of your budget. In a perfect world, you'd want to insulate all the walls/floor/ceiling with something like Dynamat (probably one of the most costly solutions).

http://www.dynamat.com/products_architectural_introduction.html

Another thought would be to examine ventillation and ducting in your home. Bass hass a tendancy to travel more easily through mediums that are lighter, but less dense aka less overall mass (thats why it will shake the hell out of a car door, but wont break through concrete). Ventillation is generally lightly insulated if at all, and is comprised of aluminum. The empty air space in a void such a duct can amplify bass.

Ultimately, if you attempt any cheap solutions your bass volume in your room will drop (and by this I mean insulating the speakerbox itself). What's the point in buying better boom boom if you are just going to dampen it? Once again, simply try rearranging the placement of the subs. It's the only "cheap" and mildly effective solution I can think of.

Hope this helps!
Edited by Arimis5226 - 2/14/12 at 8:09am
post #7 of 19
Thread Starter 
Quote:
Originally Posted by gorb View Post

Lol. Save your money. You will not stop bass from going through your walls with that budget.

Alright, so I have done what was suggested in the post below (I moved the speakers to the center of the room to get them as far away as possible from walls) and the sound was exactly as loud as it was before. I have also noted that it isn't as much the feeling of the bass shaking the floor above, but it is the sound coming through. The bass is a lot easier to hear when playing, not feel.
Quote:
Originally Posted by Arimis5226 View Post

Yeah, I'm not sure you can effectively insulate bass with that budget. You really want to insulate the walls, as the bass is traveling from the floor to the walls, and then up to the ceiling (assuming the subs are on the floor and not mounted on a wall for some reason). Something you could try is moving the subwoofers themselves. The more walls the sub is near, the more the soundwaves will become omnidirectional. If you put the sub in a tri-corner area (two walls and a floor), then the bass will travel farther than if you were to put the sub in a dual-corner area (in the middle of one wall, and a floor). Perhaps insulating the single wall the sub lies next too would probably be the most cost efficient solution, however still likely out of your budget. In a perfect world, you'd want to insulate all the walls/floor/ceiling with something like Dynamat (probably one of the most costly solutions).
http://www.dynamat.com/products_architectural_introduction.html
Another thought would be to examine ventillation and ducting in your home. Bass hass a tendancy to travel more easily through mediums that are lighter, but less dense aka less overall mass (thats why it will shake the hell out of a car door, but wont break through concrete). Ventillation is generally lightly insulated if at all, and is comprised of aluminum. The empty air space in a void such a duct can amplify bass.
Ultimately, if you attempt any cheap solutions your bass volume in your room will drop (and by this I mean insulating the speakerbox itself). What's the point in buying better boom boom if you are just going to dampen it? Once again, simply try rearranging the placement of the subs. It's the only "cheap" and mildly effective solution I can think of.
Hope this helps!
Thank you for the feedback!
I checked out all the walls close to the speakers, and the closest one to where they were set up is an added wall, so it has no roots upward into the house. Also, where the sub that I will be getting will go, it will be on the floor(cement) and against a wall(cement). I don't really think it will be able to shake much above. But the SOUND will still be able to come through via the ceiling. So what to do? I'm assuming insulating the ceiling would be the best option at this point, so I guess the question is what to use?

Oh, and the only walls in the basement are added ones, as well as cement ones. It is a BASEMENT, so I really don't think the walls have anything to do with the sound coming up.
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post #8 of 19
You could look into Spay Foam Insulation. I'm not sure of the cost. But it has been used for sound insulation and regular insulation.

Or get this. Each roll covers 48sq feet.

Sound Proof Cow
Edited by Erick Silver - 2/14/12 at 4:49pm
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post #9 of 19
Thread Starter 
Quote:
Originally Posted by Erick Silver View Post

You could look into Spay Foam Insulation. I'm not sure of the cost. But it has been used for sound insulation and regular insulation.
Or get this. Each roll covers 48sq feet.
Sound Proof Cow

Math done, The Ceiling of the room is about 408 square feet. That means I would need about 8 of these rolls to soundproof the whole ceiling. Costing roughly....$685!!! No thanks.. Looks like good stuff though, if only I had the money.
As for a spray foam, also seems a bit pricy, but I could possibly swing that.

Keep the suggestions coming, I'm just looking for options here. And remember, trying to keep it as cheap as possible.
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post #10 of 19
Quote:
Originally Posted by ThreeT3n View Post

Alright, so I have done what was suggested in the post below (I moved the speakers to the center of the room to get them as far away as possible from walls) and the sound was exactly as loud as it was before. I have also noted that it isn't as much the feeling of the bass shaking the floor above, but it is the sound coming through. The bass is a lot easier to hear when playing, not feel.
Thank you for the feedback!
I checked out all the walls close to the speakers, and the closest one to where they were set up is an added wall, so it has no roots upward into the house. Also, where the sub that I will be getting will go, it will be on the floor(cement) and against a wall(cement). I don't really think it will be able to shake much above. But the SOUND will still be able to come through via the ceiling. So what to do? I'm assuming insulating the ceiling would be the best option at this point, so I guess the question is what to use?
Oh, and the only walls in the basement are added ones, as well as cement ones. It is a BASEMENT, so I really don't think the walls have anything to do with the sound coming up.

Okay. I still think your primary concern is noise traveling through the floor and walls, but if you are absolutely certain that your problem is soundwaves traveling directly to the ceiling, you may want to take a look at this article. It will help you understand ceiling insulation and tiling for these sorts of problems a bit better, and allow you to make a more informed purchase if you choose to.

http://www.ceilume.com/acoustic-ceiling-tiles.cfm

Accoustic drop down ceiling tiles may be your cheapest option, although nowhere near as effective as bass soundproofing material.
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