Dry Mix Joint Compound

AbeBarker

How long will a opened bag of dry mix J.C. stay good and useable for, provided you keep the bag rolled shut at the top and stored in a garage or basement when you live one mile from the ocean?

thom

why would anyone care? The stuff is cheap. Use it and toss it. Get a new bag for the next job.

AbeBarker

Because I got so much surplus in my garage that I want to use it up.

Quit overflowing the landfill dude.

Greg Di

If you have any doubt it's bad, toss it and buy another bag for $11.

Your reputation is worth more than saving $11!!!

How much would a call back cost?

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send_it_all

Well, out of the kindness of my heart...and sheer boredom...I called WESTPAC, the manufacturer of the 20 minute I have in my shop, and their rep. told me that as long as it is kept dry, it will last pretty much forever. Yes, I seriously did call. Guy's name was Leo Dixon if you want to call him..lol

1KingOfDrywall

I might suggest palcing it in a dry 5 or 6 gallon paint bucket with a lid. I am very cheap and therefore I NEVER throw away materials. I save quite a bit actually. Find a dry paint bucket and label it......whenever you have half bags....throw them in. Good Luck
As far as your question....I had a buddy store it for years.......was kept dry and worked like new.

Mike Finley

I'd like to know too. The 5 gallon bucket is a good idea for storing some you want to keep on hand. I wouldn't mind keeping 20 bags of the stuff on hand but I'm worried about humidity screwing with it too. I'm in Colorado and we have really low humidity so I might be able to get away with it, but being by the ocean, wow, I would be worried too about the humidity.

I think there is some confusion to what you are asking too, I assumed you were referring to the humidity making it get clumps in it and not the stuff going bad and not sticking or something. Those compounds are worthless to me if they get any clumps in them, and that was what I thought you were referring to.

Second Look

I had a leftover half-bag of tile mortar. I rolled the paper bag shut, put it in a plastic trash bag and used it again 2 years later. Another year and the tile is still stickin'. It's in my house so I should know.

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AtlanticWBConst

Actually, that is the way to do it too. Durabound - we use it all the time, so it neveer sits around. Spray mix (ceilings).... we bag up in a trashbag....to keep the moist air away from it.

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1KingOfDrywall

I a nutshell.....sounds like we all agree......iF stored correctly, the durabond easy sand should last many years.

AbeBarker

Very Good,

I never put my leftover dry mixes in plastic bags...dilema.

Cheers for the advice.

MattCoops

the dry mixes we use dry in 20 mins
so we can sand and paint over them sooner
The leftovers we just leave in the original bag
just roll it up tight and sit it on the second shelf in the van.

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plazaman

dump in a 5 gal bucket with lid, no problem there. i cant imagine having a very short shelf long as long kept dry.

im pretty sure you will use it very soon.

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Tmrrptr

abe,
why keep it around ?
let the supplier maintain inventory.
who wants a pan of mud w lumps and chunks in it.
If anything other than 5min is going to be hanging around, it goes into the texture mix and is sprayed w the rest...
r