Finishing Butt Joints

 
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Old 11-24-2010, 08:11 PM   #1
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Finishing Butt Joints


Have had different ways shown to me but what is the best way to finish Butt Joints in the most effiecient way? Do you just go over twice w/ a 12" bowed trowel or make a mud path on both sides of the tape one your first coat and then a mud path over the tape itslef on your second coat then what?

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Old 11-24-2010, 11:02 PM   #2
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Re: Finishing Butt Joints


You could get 6 people to answer this and get 6 different answers on ways to do it. Some people run a box on each side of the tape for the first coat and then down the middle on the second and there done. As far as a bowed Trowel goes, I would say there are no good, you need a straight one. You could coat each side of the tape with your trowel for the first coat and on the second go over it all coating it a little wider with less mud. Its basically a preference thing I'd say.
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Old 11-24-2010, 11:17 PM   #3
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Re: Finishing Butt Joints


When coating by hand i use a 12" flat to load the butt(both sides), then wipe it down with my 20"...no lap marks. Second coat use my 14", and wipe with the 20"....done. Maybe a light sand to lose any float ridges and blend the edges. If the butt is severe, I'll use my homemade 36" bull float trowel with welded handles and still have only a two coat butt.

I've actually heard good things about the curved trowels (bowed), I've just never bought one.
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Old 11-24-2010, 11:26 PM   #4
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Re: Finishing Butt Joints


git-r-dun is right,except for the curve trowel part.I call the curve trowel the poor mans box without the numbers.just think about how boxes run,there's a arch in the blade.(adjustable arch)if your good with the trowel,you can fool SOME people that you were using boxes.
but I would drop down to a 10" curve trowel,till you can afford 10" boxes,12" too big(I'm assuming your running flats with it too)there's lots of reading on this site about butts ,just grab a beer or 2 and start reading,
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Old 11-24-2010, 11:31 PM   #5
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Re: Finishing Butt Joints


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there's lots of reading on this site about butts ,just grab a beer or 2 and start reading,
2Buck...I thought you left this site to do research on butts
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Old 11-24-2010, 11:48 PM   #6
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Re: Finishing Butt Joints


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Originally Posted by SlimPickins View Post
When coating by hand i use a 12" flat to load the butt(both sides), then wipe it down with my 20"...no lap marks. Second coat use my 14", and wipe with the 20"....done. Maybe a light sand to lose any float ridges and blend the edges. If the butt is severe, I'll use my homemade 36" bull float trowel with welded handles and still have only a two coat butt.

I've actually heard good things about the curved trowels (bowed), I've just never bought one.
just curious,why such big trowels,are you a very big man or something,with big arms.If so I will call you sir slimpickins.don't you get a lot of ripples,skip marks,waves,or what ever you call them,the bigger the trowel the harder it is to push,the smaller the trowel the more SPEED you can get (which is what you want) .there's some misconception that plaster guys used big honking trowels to get their work level which is not the case at all.then guys carry this theory over to taping.
think of the machines (boxes) their 7,8,10,12,inches,a trowel that is any bigger than that is going to wreck your shoulders,wrist,or elbow down the road,and your coating will be smoother ,speed stroke your coats,not big coat.
just trying to save your arms
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Old 11-24-2010, 11:49 PM   #7
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Re: Finishing Butt Joints


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2Buck...I thought you left this site to do research on butts
i will be,but not the butts were talking about
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Old 11-25-2010, 06:22 AM   #8
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Re: Finishing Butt Joints


10 inch curve towel. A must in any tapers bucket!
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Old 11-25-2010, 08:58 AM   #9
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Re: Finishing Butt Joints


Quote:
Originally Posted by SlimPickins View Post
When coating by hand i use a 12" flat to load the butt(both sides), then wipe it down with my 20"...no lap marks. Second coat use my 14", and wipe with the 20"....done. Maybe a light sand to lose any float ridges and blend the edges. If the butt is severe, I'll use my homemade 36" bull float trowel with welded handles and still have only a two coat butt.

I've actually heard good things about the curved trowels (bowed), I've just never bought one.
Slim' I do the same exact method; only I use a 10 inch to spread the material both times. My 20 inch blade is very old.. and I will be very sad when it is no good anymore .. very protective of that knife.. Anyway Happy Thanksgiving... I'm up early with nothing to do' and the kids are still sleeping' And yes Captain they will always be kids to me,,Sometimes it is a bit scary for me to call my son a kid.. Ha!

Last edited by betterdrywall; 11-25-2010 at 09:04 AM.
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Old 11-25-2010, 11:35 AM   #10
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Re: Finishing Butt Joints


Quote:
Originally Posted by 2buckcanuck View Post
just curious,why such big trowels,are you a very big man or something,with big arms.If so I will call you sir slimpickins.don't you get a lot of ripples,skip marks,waves,or what ever you call them,the bigger the trowel the harder it is to push,the smaller the trowel the more SPEED you can get (which is what you want) .there's some misconception that plaster guys used big honking trowels to get their work level which is not the case at all.then guys carry this theory over to taping.
think of the machines (boxes) their 7,8,10,12,inches,a trowel that is any bigger than that is going to wreck your shoulders,wrist,or elbow down the road,and your coating will be smoother ,speed stroke your coats,not big coat.
just trying to save your arms
I'm not that big, 6' 3", about 210 lbs. I started running a 20" mainly to bridge big spreads between beads so I didn't have a big honking ridge down the center. Then I used it one time to smooth a butt, and I was sold. I find that wide knives leave ripples etc, but my trowels leave things quite smooth. There's a guy who I work with frequently who used to get irate at my large trowels ("don't pull that thing out on MY job!"), and he's been finishing for about 30 years.....and then the other day he says "I think I might have to go and get one of those 20" trowels". There comes a point where you're faster if you slow down
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