Roxul "safe and sound" the same as "comfort Batt" - AVS Forum
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post #1 of 18 Old 12-05-2013, 11:17 PM - Thread Starter
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Having a contractor build my wall to My theater and the insulation had 2 different pkgs do I asked him and he says it's the same...it is just a marketing scheme.

He has "safe and sound" and "comfort batt" (thermal installation). He has 2 pkgs of safe and sound and 6 pkgs of comfort Batt.

Are these the same? The look almost identical?

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post #2 of 18 Old 12-06-2013, 03:54 AM
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I believe Safe and Sound is a bit more dense and since Roxul markets the Safe and Sound as an interior sound + fire proofing product, they don't publish any thermal specs for it. Comfort Batt on the other hand clearly states R14. Obviously the Safe and Sound has some r value, how much I'm not sure.

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post #3 of 18 Old 12-06-2013, 09:08 AM
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check this out...

here and here

I used "safe and sound" in the ceiling and walls of my theater.
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post #4 of 18 Old 12-06-2013, 09:58 AM - Thread Starter
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Originally Posted by ithunter View Post

check this out...

here and here

I used "safe and sound" in the ceiling and walls of my theater.
so from reading that it seems safe and sound is actually different than the other. I am using it on one wall double staggered stud with 2 layers of the 1/4" sheet of drywall with gel in between another 1/4" so basically 1" of drywall with 2 layer of gel on one side and 1/2" with gel on other. The other walls on ceiling are concrete. Ceiling is 19" thick lol! Walls are 12" thick concrete.

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post #5 of 18 Old 12-06-2013, 12:22 PM
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I put it directly behind 5/8" drywall on the walls and laid it in the joist space of the ceiling covered by fabric panels and cheated by using it in the void of the seating riser. I think you will be happy with the choice.
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post #6 of 18 Old 12-06-2013, 12:54 PM - Thread Starter
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Originally Posted by ithunter View Post

I put it directly behind 5/8" drywall on the walls and laid it in the joist space of the ceiling covered by fabric panels and cheated by using it in the void of the seating riser. I think you will be happy with the choice.
my contractor is saying they sure the same product...S&S are the same as the "comfort batt" they look identical but according to Roxul are not even that close but are made of similar material.

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post #7 of 18 Old 12-06-2013, 01:06 PM
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Doesn't it give you cause for concern when your contractor is either stupid or a liar.
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post #8 of 18 Old 12-06-2013, 01:26 PM - Thread Starter
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Big time! Main reason I made this thread.

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post #9 of 18 Old 12-06-2013, 01:54 PM
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Quote:
Originally Posted by BIGmouthinDC View Post

Doesn't it give you cause for concern when your contractor is either stupid or a liar.

So many, and perhaps most, unfortunately are. A few weeks ago, I had a drywaller tell me the Certainteed ProRoc Easi Lite he was hanging in my bathroom wall shared with a bedroom to be 'the standard weight stuff' to which I said it's not, and that I wanted the regular, heavier weight drywall, as the objective was to reduce sound transfer from the bathroom to the bedroom with the double drywall and green glue assembly I asked him to install. He again stated that this was the standard, and that there was lighter stuff that he doesn't use. I let him know that I've bought, hauled, and hung enough sheetrock to know the difference and that it was clearly labeled as 'Easi Lite' on the sheetrock. He simply said, 'it's still heavy' which pretty much summed up why it was going up in my bathroom. Annoyed, but wanting to have my bathroom done sooner rather than later, and as him stopping work, going to the supplier, and charging me all the way for his additional time and additional materials, I let him carry on. Now I've got a 30% lighter than desired DD&GG assembly in there.


Roxul SS and CB are similar but not the same. They're okay in the other's intended purposes however, and further, insulation isn't terribly important. You can use any readily available insulation really with very similar results. Other factors to SP are far more important. Check out soundproofingcompany.com to take the course soundproofing 101.
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post #10 of 18 Old 12-06-2013, 02:23 PM
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Yes the net difference on the project is probably not measurable between the different insulations, my point is that it is irritating that many contractors think their clients are idiots and should believe what ever they tell them. On the drywall, one of my drywall suppliers can no longer get heavyweight 1/2 drywall. It is all light crap. Still has the heavy weight 5/8 but heads up, light weight 5/8 is already in the supply chain and you need to be careful.
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post #11 of 18 Old 12-06-2013, 02:39 PM
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Yup, and I'd say it's only a matter of time until they start marketing the regular stuff as 'heavy weight, 30% denser, soundproofing' etc, at a new price point which will be at a premium to the light weight stuff. Marketing is some powerful stuff.
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post #12 of 18 Old 12-06-2013, 03:46 PM - Thread Starter
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Quote:
Originally Posted by BIGmouthinDC View Post

Yes the net difference on the project is probably not measurable between the different insulations, my point is that it is irritating that many contractors think their clients are idiots and should believe what ever they tell them. On the drywall, one of my drywall suppliers can no longer get heavyweight 1/2 drywall. It is all light crap. Still has the heavy weight 5/8 but heads up, light weight 5/8 is already in the supply chain and you need to be careful.
agreed, he knows I am not a newby to home theater, he had to help move all the panels, gear ect...makes me wonder if his crew just picked up the wrong stuff. Below is a pic of stuff he got S&S in Brown and comfort batt in blue.

What are the thoughts on the drywall I am using? It is (2) 1/4" sheets with gel in between abs he is double layering it on theater side and single layer on other side.

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post #13 of 18 Old 12-06-2013, 05:24 PM
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They ran out of S&S, the Roxul website lists the density of the two materials One is 2.5 lbs per cu ft, the other is 2.0 (From memory)

I hope you are kidding about the 1/4 inch layers You need two layers of 5/8 firecode with Green Glue between layers if you are going for sound containment.
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post #14 of 18 Old 12-06-2013, 10:22 PM - Thread Starter
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Quote:
Originally Posted by BIGmouthinDC View Post

They ran out of S&S, the Roxul website lists the density of the two materials One is 2.5 lbs per cu ft, the other is 2.0 (From memory)

I hope you are kidding about the 1/4 inch layers You need two layers of 5/8 firecode with Green Glue between layers if you are going for sound containment.
it will be over 1-1/2"ofdry wall with gel when all together. I know it will be weakest spot since ask other walls including ceiling is concrete.

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post #15 of 18 Old 12-06-2013, 10:35 PM - Thread Starter
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Originally Posted by BIGmouthinDC View Post

They ran out of S&S, the Roxul website lists the density of the two materials One is 2.5 lbs per cu ft, the other is 2.0 (From memory)

I hope you are kidding about the 1/4 inch layers You need two layers of 5/8 firecode with Green Glue between layers if you are going for sound containment.
so 1/4" then gel, 1/4" then 1/4" gel 1/4" won't be enough? Same on other side. Staggered stud wall ect. If not I will adds more.

I am using #525 quite rock drywall.

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post #16 of 18 Old 12-07-2013, 05:09 AM
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More information needed, I don't know your overall soundproofing strategy for the walls, ceiling and floor. Are you using any isolation methods or just drywall and hair gel? As I said normally we want the mass of two layers of 5/8 on the theater side and at least one 5/8 on the outside. Drywall should be hung on a clip and channel isolation system.
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post #17 of 18 Old 12-07-2013, 05:51 PM - Thread Starter
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Quote:
Originally Posted by BIGmouthinDC View Post

More information need, I don't know your overall soundproofing strategy for the walls, ceiling and floor. Are you using any isolation methods or just drywall and hair gel? As I said normally we want the mass of two layers of 5/8 on the theater side and at least one 5/8 on the outside. Drywall should be hung on a clip and channel isolation system.
the ceiling is 24" of concrete (room is under a floating garage floor). Right wall is concrete, rear wall is concrete with doors to theater. The door way is 2 solid core doors (studio room style) front wall is also concrete with a, wall built 5' in front of it (this where fear is out into wall and I have access to rear. Left wall is what I had made 2X6 staggered stud and door way goes to sitting room (also double doors like studio).

Drywall is 1/4" quite rock put together with quite putty ("gel") to another 1/4" sheet so essentially 1/2" and I will have 2 layers of this so 1" mass. I need this up quick or I would put green glue between the sheets (none locally and they are hanging drywall Monday).

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post #18 of 18 Old 12-07-2013, 06:01 PM - Thread Starter
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Also, it is actually about 5/8" thick. Here is the link to it.

http://m.lowes.com/pd_98765-89477-500_4294864808__?productId=3069747&Ntt=-1'&pl=1&currentURL=%3FNtt%3D-1%2527&facetInfo=

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