Questions tagged [sound-deadening]

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How to mitigate thermal expansion clicking in ductwork?

This recent answer identifies a common source of clicking and tapping sounds: thermal expansion and contraction of ductwork and brackets. While it's true that this is perfectly normal, it's also ...
4 votes
2 answers
3k views

How to attach a TV mount to a resilient channel wall?

How do I safely attach an articulating mount (tilt/pan) for a 75" LCD TV to a "sound deadening" wall that uses resilient channels? Thanks to this answer, I learned that the bizarre ...
-1 votes
1 answer
251 views

Best sound-proofing techniques and recommended sound-absorbing materials? [closed]

This is fundamentaly a question about soundproofing and sound absorbtion. When working this project I've realised I don't understand the concepts as much as I though I did. I basically set up a shelf ...
1 vote
0 answers
55 views

Insulating and soundproofing a bedroom floor

I'm looking to insulate a first floor bedroom in my house (in Ireland). I currently have pine flooring (which makes an awful noise when we step on it) and looking underneath these I see that there's ...
0 votes
0 answers
45 views

How can I conveniently soundproof a bedroom window? [duplicate]

Does anyone have an inexpensive way to “soundproof” a bedroom window that doesn’t require lots of installation? I’ve read about different techniques like acoustic foam/panels/blankets, but some people ...
0 votes
2 answers
3k views

How to stop dripping noise from A/C into drain?

My air conditioner is in a crawl space in the 2nd floor. The condenser tray has a PVC drip line that comes down through the wall and meets up with a bathroom sink's drain immediately below the crawl ...
0 votes
1 answer
392 views

How much better is modern soundproof drywall + resilient channel vs what they did in the 50s? [closed]

Background I have an existing bedroom with an interior wall that already has 1/2" drywall hung in front of another 1/2" of some kind of insulation panel (not asbestos, just cellulose ...
1 vote
1 answer
2k views

Soundproofing around water softener

I'm trying to come up with options for soundproofing around our water softener (and the mechanicals that go alongside it - not including water heater). Currently when it goes through it's regen cycle, ...
1 vote
2 answers
67 views

Would adding sound-dampening insulation to part of a wall help?

We have a square-shaped, corner room that we use as a piano room. The room has doorways into both adjacent interior spaces. One doorway has large French doors with a transom. The other is just open - ...
4 votes
1 answer
1k views

Can Rockwool Insulation be compressed or squished to fit through a 4'' hole and then rexpanded?

I just put in recessed lighting and lost a lot of soundproofing in the room. There is some insulation in the ceiling, but since cutting the holes in the drywall, sound is leaking out like crazy (...
0 votes
0 answers
2k views

How to mount an attic gable fan to reduce vibration in the rest of the house?

How can I reduce noise and vibration that's transmitted from an an attic gable fan to the rest of the house? Currently, the fan is mounted via screws to studs on the gable. Even when the fan is ...
-1 votes
1 answer
854 views

Possible to "soundproof"/reduce noise from First Floor Furnace/AC?

We have a 1080 sq. ft., 1-floor (no basement) house. Our furnace and cold air/AC returns/registers are literally almost in the living room/main sitting area and it's very loud year round, making for a ...
0 votes
2 answers
158 views

How to create a permeable sound barrier? [closed]

I want to create a permeable (allowing things to pass through) sound barrier (noise barrier, soundwall, noise wall) for soundproofing purposes. It is for a room and specifically for the doorway/...
1 vote
0 answers
362 views

Sound of toilet water flushed from high floors

I live in an apartment building. Time to time, sound like flushed water going down in pipes come from our bathroom, likely when higher floor neighbors just finished using their toilet. Is there a way ...
0 votes
4 answers
7k views

What is the most cost-effective way to reduce sound coming up my staircase?

We bought a two-story house with a fairly open-plan staircase. See below: My desk sits right by the top of the stairs, and a lot of sounds echo up the stairs from the kitchen. Since we are work-from-...
0 votes
1 answer
705 views

Can spring mounts eliminate vibration from nearby train?

I recently learned about spring mounts. These are used often in industrial equipment to reduce or eliminate vibration from the equipment like cooling towers, chillers, HVAC units, generators, pumps, ...
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0 answers
226 views

How to soundproof wall/floorboard trim

I have a wall that I have soundproofed by adding a few layers of soft caulk (to create small air gaps), foam paneling, and extra layers of drywall. It is now fairly quiet. However, the bottom 1-2 ...
0 votes
1 answer
473 views

Hanging dry wall on mass loaded vinyl - can I glue and screw

I am finishing a basement and had a question about hanging drywall on top of MLV (Mass loaded vinyl). The basement I am finishing has MLV fastened to the ceiling joists. I am getting ready to hang ...
0 votes
3 answers
530 views

Why not use tile instead of mineral wool for sound proofing?

I read that the heavier the material the better it blocks sound. Then why do people stuff their walls with soft insulation like mineral wool. Why not just put clay/ceramic tiles or wooden boards ...
1 vote
3 answers
5k views

Do solid core doors reduce sound more than hollow-core doors?

I need to replace a bedroom door. I would like to find the option that is best at dampening noise. I'm trying to decide between an MDF door like Jeld-Wen Molded Composite MDF Interior Door Slab or a ...
1 vote
1 answer
137 views

How to reduce noise on a warm air duct?

My heatings system is based on 80mm inox tubes. The air is warmed at a central location and distributed through these ducts.t The issue is that the air pump is a bit noisy. This noise is transported ...
0 votes
3 answers
5k views

How do I seal my bedroom door for soundproofing/reduction?

I have a hollow bedroom door in my apartment. I can’t make any modifications to the door that are permanent—nor can I replace it. Anyone outside the room can hear an interior conversation with ...
1 vote
1 answer
61 views

How should I stick acoustic foams on the walls?

I am a trained opera singer. I just moved into a single family house. I had a concern about the noise because the neighbors were not far away and I usually practice in the evening after work. Luckily, ...
1 vote
1 answer
904 views

Lessen noise from adjacent room

I have a housemate who tends to snore during the night. Since our rooms share a wall, I tend to hear it. We live in an apartment building made from concrete panels. I'd like to do some basic ...
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0 answers
1k views

Sound Dampening Office Hallways

Several employees complain about how well sound travels down the hallways in a newly constructed, two story office building. The hallways form a 60' x 30' figure-8: stairs v 60' =-+----+----+ ...
0 votes
2 answers
61 views

Most cost and time efficient way to sound dampen exterior wall with drywall

So in new construction here... I want to sound deaden bedroom walls from outside noise. Traffic, storms, loud people, etc. I know I can't achieve 100% due to a window. (I have plans to make a foam ...