Augshy24 Pack Set Acoustic Foam Panels 2" x 12" x 12" Wedges Tiles Fireproof Soundproof Foam Sound Absorbing Noise Cancelling Panels for Recording Studios, Home, Offices Walls Ceiling (24 Black)

The product:Opening the product has a strong chemical smell that lasted 24-48 hours. It’s not as bad as I saw on the other comments. And once it’s been aired out, the smell faints.After 24 hours, laid out on the floor open and untouched, the width of the product grew true to its size and the foams puffed up.The double sided adhesive wasn’t strong enough to hold the foam on the walls and after 24 hours they fell one by one.The sound effect:This is a small, almost cube shaped room that has sharp echoes and that fine ringing sound from the corners. After installation (together with bass traps at the corner of the room) the room had an improved flat sound, less reverb and echo. Not the best but I am satisfied with the quality for now.The foam panels itself is satisfactory. I’m rating the 5 stars for that. However there needs to be a stronger adhesive for the foam.

[Please note these tiles are for acoustic TREATMENT, not SOUNDPROOFING. They helped reduce the reverb in my room, though I can definitely still hear outside noises from the windows. I bought these specifically for the treatment and not for soundproofing since the latter requires a far more intensive process than just slapping up tiles on a wall]9 of the 12 tiles I received were perfectly fine after tossing them into the dryer for 10-20 minutes on the lowest heat setting. The other 3 I had to soak in water for a few minutes, squeeze the water out, and then toss again into the dryer. Turned out great!Command strips work perfectly fine (I put two on the top left and top right when hanging the tiles up on the wall) as long as you press on the strips for a solid 15-30 seconds.-0.5 stars because of the chemical smell they gave off initially. It has been several days and they're much better now, though you can still get a sniff of it if you put your nose directly onto the tile. Otherwise, it's a great value product!

Good and light weight

2nd time buying these. Very happy with the purchase.

Summary:Ok, so I bought the 12 pack and lined the wall, 2 rows of 6 just behind my monitors in my Twitch studio. And let me say that WOW what a difference these make. My voice is amplified inside the room, but with the door closed and my family standing on the other side of the wall they say they can barely hear my voice or my "clicky" mechanical keyboard. Inside the studio I hear myself much more clearly and the sound my mic is picking up is already better!Unpacking:So, what about making them expand? Well, while leaving them out will probably do the job, the soak-wring-dryer method works best. I did a control with a few panels left out and the rest i did this method of wetting, wringing them out, and throwing them in the dryer on medium heat for 1 hour. When held side by side, the ones I just left out on the counter were 1/4 inch shorter in depth than the ones i did the cycle with. The second you wet these things, the foam fully expands, throwing them in the dryer is just to get them dry again.Installation:I installed these with Scotch indoor double sided mounting tape. I find this tape to be very forgiving on your wall's paint if you use your thumb and roll it up off the wall like a carpet. It leaves nothing behind and when it does, just rub the remnants with your thumb and they will flake off. However, if you try to reposition a panel, expect it to tear off some foam, so be gentle.Final Thoughts:All in all I highly recommend these. I did a lot of shopping on amazon and these are the best ones on the site. They are consistent, well made, no miss-cuts and I will be ordering another 24 of them to finish wrapping around my entire area to catch all the reverb. Couldn't be happier for 20 bucks.