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Grey Wallboard Compound gman 09-09-2007
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Posted by gman on September 9, 2007, 3:47 pm
I was going to do a patch up job, but when i mixed some stored compound it
turned a Grey color and has a smell to it. How long does compound usually
last before it spoils, what can be done to lengthen its self life?

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Posted by Joe on September 9, 2007, 7:22 pm
> I was going to do a patch up job, but when i mixed some stored compound it
> turned a Grey color and has a smell to it. How long does compound usually
> last before it spoils, what can be done to lengthen its self life?

Some of the binders in drywall mud are food for microorganisms, like
starch + yeast. A non setting dry compound should have a very long
shelf life, years even. Ready mix types, though, will 'ferment' unless
you keep them really cold. I f you have your own private beer fridge
in the shop, that will work. Otherwise, just buy smaller batches and
discard leftovers. The stuff is so cheap it isn't all that painful to
toss out a fractin of pound or so. HTH

Joe



Posted by beecrofter on September 10, 2007, 9:18 am
> I was going to do a patch up job, but when i mixed some stored compound it
> turned a Grey color and has a smell to it. How long does compound usually
> last before it spoils, what can be done to lengthen its self life?

goes moldy, mildewy rather fast, some brands less fast, not at all
happy iwth lightweight stuff in blue and white buckets


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