[s-cars] Garage project (NAC)

[Vincent Frégeac]

Matress foam is a good fire retardant sound dampening material. Used foam
mattress is the cheapest source for it. There's always some for sale in
local papers.

Beside, you don't need to cover the full area. Check what seems to be the
most reflective surfaces (empty walls, ceiling) and cover 50% of the area.
It should be enough since you don't need a anechoic chamber.

Another solution is to paint a thick layer of tar, like the waterproofing
material for roofs, but the smell in hot days may not be that agreable.




Vincent.


-----Message d'origine-----
De : s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] De la part de djdawson2 at aol.com
Envoyé : 7 janvier 2008 12:50
À : trgreen at comcast.net; s-car-list at audifans.com
Objet : Re: [s-cars] Garage project (NAC)


Thanks for all the suggestions.? I'm thinking the foam panel idea may be the
easiest.? Yeah, I know the fire issue, but I believe some of the insulating
boards are retardant.? I figure a couple of 2' x 4' sections up near the top
of the walls, and a couple on the ceiling should hopefully do it.



The space is not huge (25 x 40 x 12), but the best I could excavate into the
mountain behind my house.? Numerous larger tools (tire changer, balancer,
tool box, lift, press) will be going in as well, and should also help reduce
reflection.

Tom, to your envy.... this has been a long time coming, and nearly 2 years
to complete (don't ask).? I've dreamed of a workspace like this since I was
in high school.? Nothing about building a garage like this makes any
financial sense... but as the years go by, laying under a car on your back
in the cold loses it luster.??Cars are?my favorite hobby, and that's how I
rationalize it to myself!!!

Dave


-----Original Message-----
From: Tom Green <trgreen at comcast.net>
To: s-car-list <s-car-list at audifans.com>; djdawson2 at aol.com
Sent: Mon, 7 Jan 2008 9:15 am
Subject: Re:[s-cars] Garage project (NAC)



Dave,?
?
I am so envious of this project. I would give up half the house for such a
garage/workshop. Three or four bays and a recreation/ library and bath above
could eliminate most of the need to?
visit the house. :-)?
?
Sorry, I don't have any specific positive recommendations for the noise. If
it is attached to the house, there may be paths to carry it inside as well.
I caution you about trying to use ordinary?
foam or other similar materials since most do not meet fire code if left
exposed. I expect the interior is somewhat empty when showing it off,
especially the new floor, which provides a lot?
more flat reflective surfaces. A few of the cushion mats for extended
standing and other equipment and vehicles can help interrupt the sound paths
when the garage is in full operation.?
?
There are professionals that do sound analysis for public space design, but
you can probably get what you need by just observing the layout of service
centers you regularly visit, and add?
a stop at a few more just to look and listen. You quickly pick up which ones
control noise best just holding a short conversation in them, and probably
see why.?
?
It may be that the dirt or Kaolin clay (kitty litter) is a great sound
absorber :-) and a full shop is less noisy than an empty one. :-)?
?
Tom?
?
> Date: Sun, 06 Jan 2008 19:13:10 -0500?
> From: djdawson2 at aol.com?
> Subject: [s-cars] Garage project (NAC)?
> To: s-car-list at audifans.com?
> Message-ID: <8CA1ED9389D0943-11FC-6792 at FWM-M44.sysops.aol.com>?
> Content-Type: text/plain; charset="us-ascii"?
>?
> So... my "dream car garage" nears completion.? I just finished > putting
down 25 mils of industrial grade epoxy on the floor (piece > of cake, I
might add), and it is gorgeous.?
>?
> It is basically ready to move in, but an annoying problem has > surfaced.?
I hadn't really noticed while working in the garage > alone, but when there
are a few people inside talking, you can > barely understand each other...
the echoes/reverberation are > unbelievably bad.?
>?
> So, to those of you?that may have?experience, what is a good way of >
reducing this to a tolerable level?? I've researched acoustic > panels,
etc... but the cost is a bit extreme for a garage.? I do > feel I must do
something, as I can't even imagine what an impact > wrench might sound
like.?
>?
> Any ideas appreciated...?
>?
> Dave?
?


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