Premix Joint Compound Vs Setting Type - Drywall & Plaster - Page 3 - DIY Chatroom Home Improvement Forum

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Old 03-12-2014, 09:47 AM   #31
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If they used regular compound you can remove it with a wet sponge. The paint on top of it might come off in the same way or you'll need to scrape it or sand it off.


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Old 03-12-2014, 10:46 AM   #32
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Originally Posted by demandrew View Post
And I just found it now. Long live the thread!

As a bumbling DIYer I've only ever used pre-mix. The long drying times kinda suck, but I usually have plenty of other jobs to do so adding another coat just becomes a daily chore and then I move on to other things while it dries. I might decide to branch out to the setting stuff but so far I don't mind the results I've achieved with pre-mix. I also am a big fan of the free bucket you get when you're all done!
Well, this post is so old that I've had enough time to gain further experience and come back to disagree with/improve upon my original post! (above)

I'm no longer a bumbling DIYer. In the intervening years since my first post I've gained a great deal of drywall/taping experience and have switched up my game considerably.

I used to just buy round tubs of pre-mix, for convenience, ease, and because I was too afraid or uncertain of how to mix setting-type compound. I also didn't have a mixer which is ESSENTIAL in my opinion. You're not going to get the desired consistency mixing anything by hand.

I now use setting regularly, and like many here before me have said, I will use it across my butt joints, outside corners, and especially to fill larger holes and wide seems. I will normally use 90 mixed with cold water (in a 5 gallon pale) unless the job is really small and I know that I can get through a whole coat in less time. If there are large holes or gaps I will mix some durabond for a really hard finish. In my opinion, to use pre-mix in any of these situations will result in a very high chance of cracking down the road, with a very VERY high likelihood in your ceiling - I have the old projects to prove it!

Depending on the job, I will then use all-purpose or finishing pre-mix mud, of the sort that comes in the boxes. I was childish before with liking the bucket variety for the fact that you get a free bucket out of the deal. Now I buy box(es) and 5 gallon buckets. Take a box, squeeze it all out into a 5 gallon bucket. I usually add a sprinkling of water and mix with my mixer. (Mixer then rests inside another bucket filled full of water - your slop bucket, and keep another clean bucket on hand with clean water for further mixing) If you don't use it all, when you're done, add a thin layer of water at the top of the bucket, and leave covered with a lid, if you have one, or with your hawk. It won't keep forever, but it will last for at least a week or two. When you go to use it next, mix it up again, and you're off to the races! (I would still probably mix a fresh batch of final skim coat though, because you're old stuff might have a bit of gunk in it.) I tried taping my butt joints once and it was a disaster. Some prefer it, but I personally trust in the mesh tape for all flats and paper tape for the inside corners. I mix a really wet final skim coat that goes over like glass and sands real easy.

For your bulgy areas you can try to add more mud on top of and below the bulge (or either side, depending what direction your joints run) and feather things out. If it's really bumpy, where no amount of mud will help, short of feathering out like the whole wall, then you'll have to consider cutting out his old joints and re-doing them yourself. Either that or you say "good enough for the basement"

Hope this helped!
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Old 03-12-2014, 04:04 PM   #33
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I will try to take some photos and post them (do we need photobucket or can we just add them in?). The joints that look like crap are probably 8" wide so i would have to cut to the stud on either side of it? (if that is the case, this sucks cuz there's lots of them!). the joints run up and down (its the butt joints that look like crap). the other joints all look relatively ok. i am considering skim-coating the entire basement (this whole house has been textured...some with orange peel, some with sand!) wouldn't be so bad if those damn joints didn't look so bad. Like i said, i will try to get some photos and post them up for you to see...


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