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Old 07-31-2007, 10:56 AM   #1
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plastering


im pretty new to the paint/ plaster business. i have a 1 question, is it just a matter of preference when plastering, to use a sponge, or to use sandpaper after applying compound? which creates a better finish? also does "hot mud" really make the compound mix stronger , or is it just a quick way to have your compound dry faster so you can apply 2nd coat?

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Old 07-31-2007, 09:21 PM   #2
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Use sandpaper. Maybe there's pros out there using sponges...I haven't seen any.

Hotmud is great for repairs and patching. I believe it is stronger than standard joint compound, at least it's harder to sand. Also, it's the only recommended mud for mesh tape.

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Old 07-31-2007, 10:09 PM   #3
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Don't waste time with sponges, use sand paper or better yet sanding screens because they don't clog with dust.

Hot mud is superior in so many ways- you can do two, three coats or more in a day. Biggest plus- it doesn't shrink like joint compound which dries by evaporation of water- water goes/ stuff shrinks. Hot mud is chemical cure- once mixed it will even harden under water.

Trick to using it- Use for taping, big patches, initial work. After sets- use putty knife and just scrape ridges/lines- don't sand. DO this for next 2 coats. Then use joint compound for topcoat only- smooths easier, sands easier.

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Old 08-01-2007, 05:56 AM   #4
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Originally Posted by nypainter View Post
im pretty new to the paint/ plaster business. i have a 1 question, is it just a matter of preference when plastering, to use a sponge, or to use sandpaper after applying compound? which creates a better finish? also does "hot mud" really make the compound mix stronger , or is it just a quick way to have your compound dry faster so you can apply 2nd coat?
You mean ''drywall/taping/coating''. There's a difference between "Plastering" and ''drywall''. My first suggestion is that you drop the term "plastering" when describing what you are starting out doing, you are going to confuse people.

Last edited by AtlanticWBConst.; 08-01-2007 at 06:20 AM.
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Old 08-01-2007, 04:06 PM   #5
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I'm pretty sure you don't mean plastering also
It sounds like you mean using joint compound on sheetrock/drywall
Plastering could mean actual plaster as in plaster walls, or texturing that's done to walls
As you are talking about sanding it and hot mud, I'm assuming you mean joint compounding repairs on drywall

To answer th questions with that assumption, "wet sanding" or "sponge sanding" generally does not provide (even close to) the smoothness needed

Hot mud may be stronger, I don't know
I use it for it's drying speed
I generally use regular (light weight) for the last coat
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Old 08-04-2007, 01:52 PM   #6
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Originally Posted by AtlanticWBConst. View Post
You mean ''drywall/taping/coating''. There's a difference between "Plastering" and ''drywall''. My first suggestion is that you drop the term "plastering" when describing what you are starting out doing, you are going to confuse people.
this is the terminology that alot of contractors in the n.y. area use. maybe its wrong, but yes im referring to applying joint cmpd
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Old 08-04-2007, 09:16 PM   #7
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Sanding screens will work good if using for sanding coats of drywall.
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Old 08-05-2007, 07:17 AM   #8
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this is the terminology that alot of contractors in the n.y. area use. maybe its wrong, but yes im referring to applying joint cmpd
Sorry to tell you this, but, if they are using that terminology (plastering) to describe performing ''drywall'', they are, in fact, wrong.
It could even lead to a lawsuit if a client were expecting "plaster" and got drywall instead....
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Old 08-13-2007, 06:41 PM   #9
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For what it's worth, I read this thread specifically because it said "plastering" as I have a 1916 home and am considering remodeling my living/dining room with plaster instead of drywall. So, yeah, it can make a difference.

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