Record clear sound with DIY sound panels. // Full Build Process
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- Опубликовано: 1 июн 2024
- Was it worth it to construct these sound panels in-house?
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Building Acoustic Panels? Here's what I used: (no affilliation)
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0:00 Intro
0:55 How it's done
2:55 Truss the process
4:08 What it takes
5:26 Mass assembly
7:53 Installation
8:50 Outro 
Хобби
![Roddy Ricch - Survivors Remorse [Official Music Video]](http://i.ytimg.com/vi/J5IeFzr2GgE/mqdefault.jpg)
I appreciate you sharing mistakes so everyone learns from them! You're so amazing at being truly honest.
Agreed. The skill and teaching and all of that is great... its the humanity that makes it all worthwhile. "Perfect" teachers just lead to discouraged students.
@@DustinKreidler One of the best training courses I've ever been on has a course work book where it explains the princlples behind an activity and then gives you a step-by-step example. At the end, you compare the expected result with the actual one and it's completely different, at which point the book tells you that if you'd done what you were taught to do rather than just blindly copying the example, you'd have gotten the result you wanted....
A good 3/4 of all RUclipss need to acoustically treat their filming/recording spaces. You set a great example. I made a crap-ton of panels filled with discarded suspended ceiling tiles from my recording studio. They are wrapped into frames with saran and the cover stapled over. Yeah man - dirt-cheap compared to buying something. The frames are biscuited 1x4s. Plenty sturdy as they've been move several times in the 12 years of their lives.
You obviously "sound" (pun intended) like you appreciate and know good... sound. Someone like you will notice bad recording conditions more than most. Just like a videopgrapher or camera operator will notice shoddy work.
If a content creator has good content, I am more likely to forgive the technical shortcomings (especially when they are new).
Absolutely, yes, it seems there is an over-emphasis on video/image quality and that sometimes leaves audio as second fiddle.
Thankfully, never has been so much information and expertise been so available to so many. I remember hanging up sleeping bags in the garage to make our reel-to-reel recordings sound less 'bad.' Haha!
@@ALAPINO it’s true. I’ve gotten a couple YTers to fix their audio situation. Some channels (DougDeMuro2) have such heinous sound they are impossible to watch.
One did a great A/B comparison. Shot a clip with excellent video (pro camera) and crap sound (phone) versus crap video (phone) and pro sound (condenser mic/interface). Your brain is much more forgiving of bad video than bad sound.
@@richsackett3423 I absolutely agree on both points.
I guess Doug doesn't need to try anymore (not sure he ever did, haha).
There's also something to be said for being a role model who accepts their failures and discusses them. Being able to do that, and provide good experience based information that people can relate to, is being a very good role model. Honestly, I come back to this channel for videos because you're willing to go into those details and help us learn from your mistakes, as well as your successes.
(Mostly feeding the algorithm) -There might not be much saving on doing it yourself, but 1: You know the materials and the process, and what it can take, and 2: YOU did it, dammit! :D That means something on a deep, emotional level. Grats on another project done, looking forward to seeing you doing woodwork again.
Could not be more wrong. Price some commercially-made acoustic panels, like two dozen. It's thousands of dollars.
@@richsackett3423 I guess you replied before watching through the end of the video, huh?
You've definitely improved the sound quality of your shop.
I often tell myself "I can earn money back, but I can never get time back" when in a "It is too expensive, I will do It myself" situation. Thanks for the content and good luck with the new shop!
Generally you'll make the money back using more of your time though.
@@bg8888888888 came here to say this. There's an opportunity cost for everything, including making money
Depending on what you're doing the experience could be valuable, though. Building something relatively simple like this probably provide much knowledge for Rex (aside from driving home the importance of thinking through your materials), but building things like tool stands, shelves, cabinets etc for around the shop can be really valuable, especially for beginners/intermediates. If you run a fully functioning shop with a wait-list on furniture then yeah, it's definitely more worth your time to work on projects for paying clients, unless there's a specific jig you need.
You're right. I should really look more into weighing the pros and cons of making all my own projects.
I have a "normal" white collar job, so it's not like I have financial opportunity cost. However, I might have "hobby opportunity cost" where I stupidly decide to make my own panels instead of ordering better ones and spending the time playing my bass. But maybe I WANT to get into wood working, and this would be an easy project I can get done in my apartment?
Being "too capable" is often a curse because we might think "50 bucks??? I can do that myself!" more often than we should.
As someone who was supposed to learn how to make these in college, thanks covid, really appreciate all this info. Long live decent Acoustics
Taking the time to do the math is definitely great advice. Whether pricing out the cost of making the sound boards or buying groceries it can make a difference. The grocery store by where I lived in the city was expensive, and friends/family would ask me to drive across town to the cheaper one, but when you balanced the costs against gas, commute time in heavy traffic, etc. there just wasn't a savings. And the food quality was better.
My roommate was a contractor and said that you could roughly gauge what the cost of work would be materials + labor (where labor = materials x2).
If the contractor was charging you that or less, you were probably doing okay.
So $2000 definitely seems reasonable against the cost of materials :)
What you can't buy, is experience. Knowledge. And you can change things. And your success is big. Regards from Germany.
Rex, speaking as one of your patrons, the reason your content is so valuable is that you are a responsible recipient and have never ceased to help improve the lives of your viewers - some of the time through the example of your own mistakes. You were the first RUclipsr I ever subscribed to and, so far, the only one I have supported monetarily (notwithstanding various and sundry plans). I really value your content and am looking forward to many years going forward with better and better content. Thank you for what you do - You are an inspiration!
A friend, over here in the UK, asked me if I would be able to help him with the same thing, sound baffles for his professional music recording studio. We did the maths and I declined the job. Firstly I don't know enough about it, and secondly getting professionally made and cut panels shipped was only about £2000! Less than I could have made and installed ones that wouldn't have been as good. They also came with all the fitting kit and some moveable baffles for different set ups in the studio. The company sound mapped his whole studio and made sure it was right, that was something I couldn't have done for him either.
I like the cost benefit at the end and the acknowledgement that sometimes diy isn't the most cost effective option.
ever wonder why castle with hard stone wall always had tapestries?
goodwill blankets can do a much better job than most sound deadening panels, because they cover a much larger area
and when they get dirty in a shop, they are machine washable!
still have to worry about fire retardancy, but they do make fire retardant treatments for fabrics
reduce, reuse, recycle
Wool blankets are naturally fire retardant, even with a bit of artificial fiber in the mix. Ex-military and old wool blankets are most likely to be 100% wool.
It sounds so much better! And I really appreciate how transparent you are with expenses. Good luck with the new shop!
There's a definite improvement in the acoustic properties of the room as picked up by the lav mic. I would suggest maybe using the remaining panels as gobos that you could place in front of metallic surfaces like your furnace, drill press, etc. that might be contributing to the remaining reverb. Basically, you'd just need to mount the existing panels to a movable stand (it could have wheels) so you can place them a safe distance away from those devices, while absorbing some of the high frequencies still present in the reverb tail bouncing off those devices.
Ok
Great video as ever. Don’t forget when calculating time to consider wether it’s otherwise free time / family time or other job time. By that I mean if your turning down work to do your own projects calculate it at full hourly or project rate, if it’s a mid week day time when you have nothing else on and you would otherwise be watching tv , it’s a lower hourly rate. If it’s taking up family time at the weekend, it’s double time, then work out wether paying someone else their hourly rate is worth it
Ive been doing marine upholstery for almost 20 years.
Some tips
weed fabric is essentially the exact same as what is called "dust cover' for upholstery.
Also, you wanna use wide staples for thin fabrics like that, we use "50 series" staples these are 1/2" wide and have a lot of surface area to trap material, they are similar to what a manual staple gun usually uses.
Most upholstery uses "7 series" which are thin wire staples.
That narrow crown stapler you are using is going to be the worst thing to use to staple thin material.
Working from the center of the sides to the corners is better because you can pull the excess into the corner to prevent wrinkles.
Make corner traps next! Should be a fun project
Acoustic panels is what actually got me into hand-tool woodworking and subbing to Rex and Paul Sellers…
I built some a few months ago… then got interested in woodworking (haven’t done it since juvi wood shop class in the 90s, lol)… but, never had room nor could afford big power/bench tools… then, discovered hand-tools could do pretty much everything (at a much lower cost and smaller tools vs power tools)… now, been watching tuts nonstop and been hooked/addicted to hand-tools.
Been buying all the basics/essentials on a shoestring budget… vise, sawhorses, Bailey no4 plane, cheapy chisels, combo square, bar clamps, corner clamp, J saw, Shinto rasp, awl, marking knife, countersink bits, mallets… latest and most expensive acquisition, a complete Record 405, hehe. It’s the only way to do nice grooves without an expensive table saw or electric router tho.
Think my next buys will be a 5/16” mortise chisel and dog hole clamps… ah, maybe a dovetail guide too.
I appreciate how forthright you are about challenges and mistakes in everything you do - you make what do so much more approachable for newbies like me.
*what you do
Me: gets a rug and hangs up a few blankets
Love this and it sounds much better! If you have the ceiling height, hanging the ceiling panels off the wall will help with bass frequencies, but it also locally reduces the effective volume and reduced the amount of first and second order sound reflections that can really impact vocal clarity. In a sense, you’ll have a large percentage of the surface area around you and the microphone covered with absorptive treatment without actually needing to cover more area. As an acoustical consultant for the last 12 years I appreciate you putting out something legitimately informative and helpful on this subject, thank you!
*Rex, you are an amazing role model.*
Not only because you own up to your mistakes but also because you're incredibly *kind and generous* .
I really love watching your video.
Im not even doing any woodworking myself. (yet)
but Im studying right now to become a web designer and You are truly one of my great aspiration.
I really love how *accessible* you make everything.
You've really shown me time and time again that equipment is not an issue and you really can do a lot of good with very little.
The factory where I apprenticed as a fitter back in the mid-90's had acoustic "panels" hanging vertically from the ceilings rather than on the walls.
The panels were just Rockwool batts wrapped in heat sealed plastic foil.
I remember them clearly, as one summer, we apprentices were tasked with replacing the plastic foil, as it had become sticky from coolant fumes from the CNC machines. Just imagine handling that Rockwool on a hot summer day. My arms were itching like crazy...
making your own sound treatment is excellent!
From a machinist, prep before a production run helps a ton. Really, prep before any project/job helps, even if it's only one or a couple parts. Usually I'm doing one offs or low volume (
thank you for using the blade guard and anti-kickback protection of your tablesaw! You might save someone's hands, and their ribcage.
I have nothing to say really, but I appreciate your content, and wish to help with the yt-algorithms.
Sorry about the trouble I deleted my last comment since I did some more research. I just didn’t want people seeing my dumb take with lack of context about the harms of Rockwool. It doesn’t cause cancer and you’d have to try to get respiratory issues from it so ignore me but thanks for everything you do Rex.
My. God. A person on the internet did research and called out their own mistake! I am impressed beyond description! Really, thanks for your honesty and attention to detail.
Rockwool is also flame resistant. We used is to insulate our entire house because it doesn't burn and coupled it with fire rated drywall. Stuff is amazing.
nice video. practical too. i used to make and sell artwork. learned pretty quick that selling cheaper to friends/family wasn't a good helping.
one's time is valueable and that value isn't always directly quantifyable in lost/gained dollars per hour.
last time i moved i hired a moving company because the money spent on movers was much less than the potential losses if i injured myself and couldn't work thus losing the great new job at the time.
In most professional situations it is cheaper to buy the existing solution than to divert your, or an employee's, attention on reinventing it in house.
Love the music - one of my favourite pieces!
Finally, someone noticed! Thank you!
While you may have spent a little more building vs buying, the value really is returned in the content created.
For acoustic baffles, I use Costco egg-carton "panels". They're basically free with the eggs, look great when finished in flat-black spray paint, and disperse sound waves beautifully.
Do you treat them with anything to make them fire and mold resistant?
@@itcanwait spray paint would help with mold but not fire.
that is terrible advice. They burn and only absorb narrow band coloring the sound. Don't do it.
I don't understand this concern with fire. Do you worry about posters or paintings hung on the wall spontaneously combusting?
And the principle at work here is not sound absorption but rather wave dispersion. Echoes are caused by standing waves, which in turn result from hard parallel surfaces. This is effectively mitigated by making these surfaces out of parallel (which is not an option in already-built structures) or by adding "lumpiness" to one or more surface. Rex Roberts covers this at length in his mostly excellent book _Your Engineered House_.
@@wolflahti412 It is not about a poster but about a large amount of fire load that drips burning and generates excessive smoke. Echos, specular reflections with large delay, and standing waves are two very different things. I do agree that your egg cartons will generate some narrow band scattering and decrease flutter echos. Against standing waves , generally a concern below the Schroeder-Frequency of the room, they are not effective. As the egg cartons do not absorb the energy but only change the sound distribution by making it more homogenous, the reverberation does not decrease, so for Rex and his reverb issue when micing his voice, it wouldn't help all that much.
Love it. I wish I had the money to be a Patreon supporter of any of these videos. I'm a used-wood guy, making mostly projects from reclaimed lumber and random "nice" wood off cuts. Working on a selection of old fence pickets at the moment. Keep up the good work, Rex.
Washers under the screws helps with the tear/break out at least when the screw is tightened.
Good to see a video from you again! Just a small complaint: that upcoming teaser thumbnail that triggers a notification without actually giving me something to watch is annoying.
Your pedagogic skills really come to the fore in your videos. Good job.
Many thanks Rex. Good work and great new shop!
I worked a long time with air and workplace environment noise issues back in the day, I would place two of the remaining panels vertically on wheels/coasters. Like portable office space dividers. Place them either like a "V" going out from the camera towards you when you're doing a piece to camera, or place them a couple of inches out from the nearest big flat reflector (wall) when you're recording something out in the shop. Just out of shot, pf course. Also useful for adding additional lights, just use clampable light panels and attach them to the panel where needed.
1) For a better quality and stronger (cheap) backing - try insulation windsealers :) The type you typically can buy where you buy wall insulation, it's a non-wowen PP material that's very strong. Made to seal air leakage on top of rockwool between wall studs in outer walls, typically sold on 6' wide x 50' length rolls pretty cheaply.
2) your reverb attenuation below about 300Hz (assuming you used 3" or 70mm rockwool) can be almost doubled if you leave a 2" space between the wall and the back of the panel.
Rockwool and other fibrous sound absorbers are several times more effective on damping air speed than on air pressure. The volume of air directly on the surface of a reflector (wall) is almost 100% pressure loaded on longer wavelengths - a 3" rockwool plate is almost fully pressure-loaded below maybe 600Hz when mouted flat against the wall. That means you're losing absorbtion way higher than your voice fundamentals.
Better sound and good explanations. Thanks for sharing.
Weekend Stuff
It helps if you mount the panels about the same distance away from the walls as the panel depth. So for your panels, a 2"/50mm spacing would be about right. It does drop the lower frequency limit the panel works down to by quite a bit. For standing waves where the pressure at the wall is high but the wave amplitude is zero, it moves the absorption away from the wall so the standing waves have some amplitude to loose.
4"/100mm depth panels work down to lower frequencies, and a few of those may help clear up some of the low-mid reverb that's still present.
The postmortem of the time and cost at the end is really handy for those who are looking transition from hobby to business (or serious hobby). If you can call your own hours "free" and don't need to hire labour, then the equation changes considerably. As soon as you need staff to help things change rapidly, particularly when the amount of labour and time required isn't clear. Great work, mate!
Thanks Rex for the weekly video. Even shops that don't do videos can benefit from reducing the reflected sound from power equipment using sound absorption materials. Nice panel design. Have a great weekend.
The shop looks great
Congratulations
On the right path. Consider using a couple of your spare panels on the light stands behind the camera facing back to you. This will reduce the amount of sound energy reaching the wall you are talking towards which means less sound reflection off that wall back to you.
Probably not worth the extra investment but the pros use panels that are not flat so the reflections are scattered more, meaning less sound coming directly back to the source. Square, flat, solid wall arrangements are the worst for reflecting.
I use rock wool mostly as bass traps, so I tend to cover mine in bin liners and then fabric to prevent the particles getting into the air.
Being a wood shop I was watching it and wondering how much saw dust will get stuck to them… as it’s mostly hand tools it probably won’t fly too far, but we’ll see. They’ll still work perfectly fine either way 👍 and the place is sounding much better
As the place fills up with stuff sound will also scatter more, reducing the echo effect. Just putting up some shelves on the wall, or freestanding to store materials and tools in changes the sound profile. So not just soft and sound dampening materials help. The more irregular the rooms shape is the better it usually sounds. And adding some saw dust to that doesn't make it any worse acoustically. It just creates a mess and is a fire hazard...
Most of the time when you do things diy, they are more sturdy and long lasting then the ones that companies made for small money. If you'd pay 2000 buck for them, then maybe the insulation material would be thinner or the cloth would be less in quality or else... So I think it is good that you did it yourself.
A panel just above your head out of shot would be worth considering, also at the sides. At least for your fixed pieces to camera that should control the echo a bit further. Other than that, it's definitely an improvement, but it is still very 'live'. There are free apps which will help you measure reverb time, I'm guessing yours has gone down from a few seconds to just over 1 second when you're behind the bench, and maybe 0.4 or so at the camera side (but that's just by ear). At the front of the bench, it's probably just about right, you don't want it too dead.
As others noted, there's a big improvement when you're on the camera side of the bench, so its reflections are likely a big part of the remaining problem. You can't do the normal studio solution covering your bench in felt (!), but more absorption above would help. You need each axis in the space to be treated, e.g. at minimum two perpendicular walls and the ceiling.
As for the whole value proposition of doing this yourself - you got a video out of it.
Fantastic work, Rex! The shop is looking and sounding great! 😃
Stay safe there with your family! 🖖😊
I worked on the floor of the Chicago Board of Trade. In the late 80's or early 90's the exchange spent over a million dollars to get the sound just right. In that space, it was very difficult. Took months.
Rex, you may want to have the panels around you and cover large areas with a simple curtain. Check out backdrop cloth for event and theater application. It is fire retardant, cheap and available on large rolls. If you have a fold ratio of 2:1 you get very good mid and high frequency absorption.
Could you elaborate? What kind cloth do you mean? " fold ratio of 2:1" ?
@@cthulpiss pleats. for a wall of 1m width use 2m cloth.
You’ve already deadened your room, but i can suggest some other tactics. One is perforated wood panels, acoustic panels. They look like perf-board, but the board is hard and usually shiny smooth, like Masonite. The holes are usually drilled in a grid pattern like perf-board, but closer together and usually smaller. The idea is to match the grids of holes to interfere with or disrupt the sound waves as they hit the wall. Often the holes are not drilled through the panels. I don’t think the panels are DIY, but putting them up certainly is, easy-peasy. You can also get sound deadening Sheetrock. They are very dense and heavy. Covered wit a sound trapping material (usually a specialized fabric) they are also pretty effective.
Nice Video, like usual. I will make them whit old isolation from my dad, he likes see-grass more.
I will put them in my Band-room.
Your shop come's together nicely.
Much Love from Bavaria!
the difference is super noticeable when you're in the centre of the room when compared to previous videos when you're in roughly the same place.
Now that you've got these big blue panels basically everywhere in your shop, you should hire some local artists to spray paint some art onto them (spray paint probably won't disrupt the accousticness)... when your wallet recovers of course xP
Well done Rex!
A mobile soundproofing wall you can put at mouth level right behind whatever technology is right in front of you should also help a bit as well.
Heck yeah. Just have it floating in a frame behind the camera. Maybe a couple flanking it, too. I imagine that would help a ton.
@@MortimerSugarloaf It definitely helps when I stream on my other account.
after watching this i really hope I'm not stretching canvas tomorrow. Good design for sound absorption and looking forward to you getting back to a wood working video even if I really enjoy the shop projects.
Complely random note, Rex have you seen the Sampson Boat Co channel they are restoring the classic wooden sailing yacht the Tally Ho. Its a very different style of wood working while still making use of lots of hand tools, working from the huge to the intricate.
That's a huge improvement! Interesting that the last shot in the video, in which you are in a different spot in the shop, sounds even less echoey.
Awesome idea. I’m making 42-27 inch boards. I’m thinking of a color, I’ll probably just Go Blue. Blue looks good on 42-27 inch boards.
Sounds a lot better.
They look great and provide a useful video for us all so it was worth the time spent making them yourself.
I know you are in the new shop but I was wanting to see if you would be open to making a more thorough video on Japanese and Chinese style planes? I have a Japanese plane and absolutely love it and would like to learn more about them.
Believe it or not, the two styles have almost nothing in common. They are built and used pretty differently. I have several of both and I will do more on chinese planes, but probably not japanese, since they're a whole different thing.
Dear Rex
not knowing how to message you I am using this medium. I recently watched a documentary on Odessy re Roman barge excavation in Utrecht, Netherlands. The barge, was approx 5x 35 meters and was fabricated about 85AD. The entire bottom boards were mortise and tenoned along their entire length, but the tenons are actually biscuits and also dowel pegged. Stunning craftsmanship.
For future panels make the corners triangles less expensive same hold power with the seed cloth
"Hold power" really isn't a parameter in-play here.
@@richsackett3423 except it is.. He added the panels across the back to help hold the weed cloth
At least you didn't have to deal with a New York echo!
Great video.. excellent info!
I agree, big improvement.
Your videos have always had an echoey sound compared to other creators on RUclips, and I don't know why. Most of them don't have nearly as many acoustic panels (if any). I wonder if there is an equalizer setting you could adjust, or an audio filter you could add in post processing? Maybe it's the mic you use, or maybe it's just the crisp sound of your voice. It's not bad now that you added these panels, but it seems like it's still there.
A number of people do voice-over after the video is finished. It's much easier to control the sound quality.
His basement was also block or concrete walls, so there was always a little reverb there too. The larger space definitely has more echo though.
Hilarious thumbnail. 🤣
The corner you’re sitting in is better soundwise than the desk set up, at the moment. I wonder how consistent that is, and how the distance from the treated and untreated wall surfaces affect the reverb
i like the pannels they look like tool pannels
Well done! Getting a rhythm is important, especially then doing mass production. Those panels look great!
pretty cool rex
Mount a panel on a moveable base and put on either side of the camera, might help
As always, great video. Very informative and entertaining. Thinking about making them and adding a bevel to the backside cleats and hanging them french cleat style from the wall.
Seems easier, stronger, and cheaper to use hardboard or even cardboard for the back.
Thank you for showing off this build and design, I may give it a try as well! I was curious, was there a reason you used the single vertical truss instead of linking the 1/4 and 3/4 points of the bottom to the corners of the top and distributing the weight to the vertical beams?
Thanks!
time to learn some work songs to make the dance go even better
Great job. Even though your cost might not have worked out. It made for great content.
Also wanted to say, we have a great first name.
Whoa. I've met like 2 other Rexs in my life. It's eerie when someone else has my name.
Quite good!
have been looking for sound reduction things, idk if this is just about echoes tho, looks like a good vid to come
It probably is. True sound reduction usually involves building a room within a room/an extra layer of walls.
Rex, this is a great video! As I live in Russia, just made a small calculation for reference how much would it cost me to make 24 sound panels here. It would take around $500 in materials and the same $500 in salary for me and my assistant. The most expensive material is fabric.
Its not a cure all but I have seen "clouds" hanging from the celling in recording studio's back when I worked in that world ... for something cheap it does help a lot vs directional absorption panels at least in the volume overhead, in a nutshell you use heavier fabric setup where its poofy in the middle (loose in the X and Y) to absorb reflection
“Don’t be like me. I’m not a good role model.”
~ Rex Krueger
If I make my own, they'd better be pretty inexpensive, or extremely easy/quick to make. Good lesson!
Hola! 🖐Excellent video on many levels but for me the cost analysis is the key. Thanks for the reminder that ALL costs need to be factored otherwise the true cost/savings comparison is "out of whack" - Yes, that is a technical term. Time, on many levels, is an easily overlooked factor. Maybe you can save significantly but WAITING may cost you more; in todays market, long lead times is not uncommon. Great topic and excellent video. Take care and have a good one, Adios! 👊
You can spray fabric with baking soda dissolved in water to make it flame retardant.
Was an additional set of hands really necessary? It seemed like there was a lot of standing around for at least 1 of the 3 people during final assembly.
100% you were over $2000 as quoted, but what you lost in time and resources you gained in experience and the fact YOU made your acoustic panels. It the only only you, or your accountant, can make the "worth it" determination.
You can rarely beat a business on cost + time when that business specializes in one thing.
Also, it took you slightly longer because you had to film footage for this video. If you factor in the production of this video, editing, setup, it might change things depending on your workflow.
I enjoy these shop improvements. They are a little more universal for the type of viewer that I imagine eats up your content.
What if Bob Vila directed Steve from Blues Clues in This Old House? That's Rex Krueger
Hi Rex. Great video. Can this type of panels help on preventing the noise from my saw from reaching the neighbors?
The supplier of the panel materials says no. I think you have to add the mass loaded vinyl to get the sound blocking
@@dangr123 thank you Daniel
Hi tech, I like it.
Another option would have been to build 1 panel / day (or however often) after other work was completed & the need for a panel THERE was identified. It would be slower, but you would have "got your money" from the assistant (not 2) before the cost of the panel. Maybe, as you went along, you discovered that you only "needed" 20 or really needed 30.
Flexibility is often needed. Focus is faster, but computers make very fast mistakes. Slower is often better.
With respect to time, I’ve always asked if I had something better to do (based on whatever criteria I wanted to apply).
Interesting
could routing half inch wide and deep grooves an inch apart the length of the panels increase (maybe double) the surface area that can absorb sound.... like creating extra glue contact area in a wood joint
Routing rock wool? I don't think that's a thing.