Does green glue go bad? - AVS Forum
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post #1 of 19 Old 05-04-2013, 10:01 AM - Thread Starter
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I did not use multiple boxes of green glue. (And also Silenseal.) I bought these at least two years ago, and won't be able to use them for another two years at least. Will Green Glue (and Silenseal) last 5 years sealed in the container?

I ask because I also had a bunch of fire caulking and fire spray. I went to use some of that, and none of it worked.

Thanks!

Bob
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post #2 of 19 Old 05-04-2013, 10:36 AM
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If left cool and sealed I wouldn't be surprised if it was fine in 5 years.

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post #3 of 19 Old 05-05-2013, 05:33 AM
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I think that is part of what makes GG different from just plain caulking -- I know I've cut some holes into double drywall with GG fairly recently and the GG was still VERY sticky and it has been 4 years and counting. (viscoelasticity)
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post #4 of 19 Old 05-05-2013, 07:12 AM
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Quote:
Originally Posted by Ted White View Post

If left cool and sealed I wouldn't be surprised if it was fine in 5 years.

I know this isn't 100% in line with the OP's original question, but what about life expectancy once installed? It seems to be pretty universally agreed that the performance of double drywall with green glue far exceeds just the double drywall alone. However, what about 8 years down the road, 15 years or 20+ years? Will the green glue still be performing at or near the same level? Or, will the sound isolation benefits slowly diminish over time?
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post #5 of 19 Old 05-05-2013, 03:25 PM
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The polymer's biggest nemesis is UV radiation. Absent that, similar polymers have been around for decades.

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post #6 of 19 Old 05-05-2013, 09:04 PM
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Quote:
Originally Posted by Ted White View Post

The polymer's biggest nemesis is UV radiation. Absent that, similar polymers have been around for decades.

Sandwiched between drywall, will any lights in a home theater room (including blacklights or CFL's) damage it or will the drywall block the UV if there is any in the room?
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post #7 of 19 Old 05-06-2013, 04:45 AM
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I don't think you'll have to worry about that, at all. Pretty UV safe. smile.gif

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post #8 of 19 Old 05-27-2013, 02:30 AM
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Is there any deadline of use for an opened bucket?

Can I open one now and use some and then not be needing it until 6-12 months later?

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post #9 of 19 Old 05-27-2013, 06:16 AM
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if you can get the bucket opened after the mess around the edge has set. If you can clean off the edge and lip of the top and bucket and get a good clean seal. I think you will still have usable GG after several months
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post #10 of 19 Old 05-27-2013, 07:34 AM
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It's compulsory to get a mess there? biggrin.gif

double layer plastic wrap?

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post #11 of 19 Old 05-27-2013, 09:39 AM
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post #12 of 19 Old 05-27-2013, 01:46 PM
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wrap away

Haven't ordered it yet, I try to find the answers before I need them to plan accordingly.

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post #13 of 19 Old 05-27-2013, 10:09 PM
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I had tubes of Green Glue setting in the basement for 5-6 years while I took a very long break on my theater build. When I needed it for the stage and riser platform layers, I cut the top off one, screwed on the tip and it was just like new. No problems for me.

On a related note, I also had some boards that I was laying the caulking gun down on before the 5-6 year break and there was a few puddles of "cured" Green Glue on the board. This stuff was still sticky and spongy! Good stuff indeed!!
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post #14 of 19 Old 05-27-2013, 11:42 PM
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Good to know. I thought the situation could be different with the big can where the glue gets in contact with a lot of air. Tubes are sealed until use, so that does not surprise me as much, but 5-6 is respectable.

( Delivery time on tubes here are about a month, while the big can is a couple of days. Also the tubes don't fit our standard guns, so that has to be ordered too and if it breaks you're screwed until you can get another delivered. The gun feel awfully marked up as well at $80... )

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post #15 of 19 Old 05-28-2013, 06:11 AM
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They don't cost that if you buy pails also.

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post #16 of 19 Old 05-28-2013, 06:15 AM
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Quote:
Originally Posted by Ted White View Post

They don't cost that if you buy pails also.

It wasn't the gun for the pail, it was for the tubes. The one for the pail is more like $150. There is no combination discount over here.

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post #17 of 19 Old 05-28-2013, 06:22 AM
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WOW! That really IS a lot! I wish freight costs weren't so bad.

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post #18 of 19 Old 05-28-2013, 07:13 AM
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Quote:
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WOW! That really IS a lot! I wish freight costs weren't so bad.

Just Customs + tax adds about 30%... And you also pay tax on the freight to compound the trouble.

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post #19 of 19 Old 05-28-2013, 09:46 PM
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Quote:
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Just Customs + tax adds about 30%... And you also pay tax on the freight to compound the trouble.

Sounds like an opportunity to start up distribution of GG in Europe... wink.gif
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