Hanging Acoustic Foam without messing up the walls

After moving into our new apartment I realised the acoustics in the room designated as the home office space were just horrible. Actually it was so bad that late night meetings were almost impossible due to the echoing and booming.

The solution? Auralex Acoustic Foam of course!

I picked up a bass trap and 3 wedge panels, all 2″ versions to begin with but soon ran into the problem of how to attach them to the walls.

Three of the eight (don’t ask) walls in the room are concrete, and drilling massive holes felt like a really bad idea, so instead I started looking for a non-destructive solution.

Here’s what I came up with:

1. Silicon, transparent, (almost) 100%

IMG_4928

I bought this stuff at Bauhaus here in Sweden, but you should be able to get it at any DIY or home center. Make sure it’s as pure as possible otherwise it might eat through the foam.

The best thing about this stuff is you can just peal it off the wall once you want to take the panels down, and similarly from the back of the foam.

2. Testing

IMG_4929

I started out by testing a small chunk of silicon in a corner of the room, just to make sure it wouldn’t leave any marks. After 48 hours I was able to simply drag it of the wall with no artefacts. Similarly I put s small piece on the back of a panel, with the same result.

3. Application and hanging

IMG_4944

Finally I put a good, solid amount on the back of the panels (like an X in a square) and simply pushed them up against the wall. They stuck really firmly and I was able to let go almost immediately.

So there you have it. Cheap, simple and non-destructive. Silicon FTW!

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