36 Pack AUSLET Acoustic Panels 12 x 12 x 2 Inches, Pyramid Sound Proof Foam Panels for Wall, High Density Black Acoustic Foam Panels,Soundproof Wall Panels

Ok, there is a lot to unpack when it comes to some of the negative things that others have had to say in regards to these tiles. The one thing that most people do not seem to understand is that tiles like this ARE NOT SOUND BLOCKING! They are meant only to absorb echoes in an environment.In my case, these were installed with the idea of toning down the room a bit. I run a couple of industrial lasers that require supporting equipment like a water chiller, air compressor and more than one fume extraction fans. All combined add up quickly decibel wise and the tiles do an excellent job of quieting the environment just by removing the echoes so I only hear the original source of the noise and not it bouncing off everything else and hitting my ears milliseconds later.These tiles are not a “Silver Bullet”, but they are darn close. I have tried other sound dampening tiles and found them to be inferior in performance and a pain in the *ss to install with the sub-par adhesive squares that come with them, and just plain look like crap (I have a whole contractor’s garbage bag full of them now because they are that bad).The foam on these was a bit odoriferous at first, but dissipated quickly. Expansion of the tiles after removing them from the vacuum packs was almost instantaneous and were usable within 3-5 minutes and the density is far superior to other tiles I have tried.For installing these, I DID NOT use adhesive or tape. Since they were going over drywall the most secure way that I found to mount them was using a pair of Lineman’s pliers to push in 1” long round top blued nails (5 per tile). They are invisible once seated unless you look for them and they do not compress the foam and distort, thus degrade the function of, the tiles like staples from a staple gun will. Using the nails also made it exceedingly easy to remove the tiles for repositioning when needed due to installer error ;-)For my first installation, I covered the ceiling of the area where my machinery that makes the most noise resides. The floor was then covered with ¾” thick rubber stall mats which are also great for deadening noise reflections (echoes). Some have commented that my current 12’ X 11’ area is creepy in the fact that once they enter it, the normal echoes that we are all used to hearing almost disappear (this can cause discomfort/disorientation for some since they are something the brain uses for spatial cues).Would I buy these again, absolutely! Actually I already did, I’m just waiting for them to arrive so I can start installing them in the rest of the Shop ;-)Yes, I did get some dud tiles (mashed due to the manufacturing process, packing, whatever) as others mentioned, I just set these aside and used them when partial tiles were called for. In the end, it worked out just fine and the loss due to defective tiles was minimal at best (no tiles were a total loss).Just the tiles on the ceiling alone made an immediate difference, when coupled with the flooring the effect was far beyond my expectations! I cannot wait to tile the other two thirds of the ceilings when the rest of the tiles I ordered arrive.

Was a good value for how many. Functioned like it was suppose to do. not to much block sound but make it so echos go away. Took about 20 mins to them to fully puff back up decent quality

These arrive vacuum sealed and compressed. Unpack them and give it a couple days and wow, thick looking squares. There may be some slight variations with each and some may be slightly thinner on one side or the peaks may not have such a point.Overall works great and looks nice.

I bought 72 of them total, Majority of them will decompress and be pretty much be ready for mounting within ~5 mins of breaking the air seal on their bag.- Yes, they do have a weird smell, but I didn't think it was bad enough to where I felt like I had to leave them outside or somewhere else to air out..-Some will be a little funky and compressed together in areas of the panel. I found putting a little bit of water in the area and carefully pulling the foam apart to separate it worked out well.Mounting:This is really dependent on what your setup goals are, I personally tried to use adhesive squares in an "X" pattern, of which, lasted only a few days for about 90% of them before falling off...-What worked for me as I've seen online, was using Dressmaker Pins then lightly tapping them into the wall with a hammer.-I've seen others talk about using cardboard/other material as a backboard to mount these on with spray adhesive.Whatever floats your boat.Personal Results:- I mainly bought these so I am less likely to disturb my household when talking with others online.- There was a slight echo if you clapped your hands in my room before these, It got rid of that. (If that's worth anything to you)- Other family members agreed it helped with noise coming from my monitor speakers not bleeding out of my room as much, and that I can watch Hulu/YouTube etc at a slightly louder level.Considering foam panels are basically the lowest tier of sound/acoustic dampening, I'd say these were a good purchase from my Non-Expert opinion. I do believe they could be a little cheaper or include more per purchase though

About 80% of the panels are the right size and cut, and look great. The remaining 20% are ether mis-cut (i.e. the wrong size) or perma-smashed by the shipping methodology (i.e. flattened in a way that no amount of dryer-tumbling or hand-ruffling will restore). But the biggest issue is the nauseating smell, which has not dissipated in the 3 weeks I've left them to air out. Would buy again if I had an outdoor application, and just order 25% more than I need in order to get the final yield.Update: consider carefully before buying the Scotch Repositionable Spray Adhesive recommended by another review. In my case, the panels keep falling off the foam core board that I put them on using that spray adhesive; I basically come in to the room every few days and re-attach a handful of panels which have fallen off the wall.

~I have purchased a ton of these types of foam paneling over the years due to living space changes etc.-I’ve come to expect a portion to be duds or slightly off in one way or another. But to my surprise (maybe I was lucky) out of the 36 only 3 were unusable pancakes that never fluffed out.**That’s a pretty good ratio considering others I’ve bought.**-I let them sit in a room for about a day to fully form, but if I’m being honest most were ready to use after a few hours, no water needed like some types.-smell? Yeah, almost all foam like this reeks of some chemical type smell and, if I had to guess, it is probably bad to breathe in because that smell always makes me dizzy if there isn’t proper airflow in the room.Open a window. Put an air purifier in the room to help. Over time the smell will dissipate.-Once they are up on the wall I’ll include photos.