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-   -   Hot mud, finishing & batch workability (http://www.diychatroom.com/f101/hot-mud-finishing-batch-workability-188600/)

wingzjr 10-14-2013 08:25 PM

Hot mud, finishing & batch workability
 
I have been mixing only a mud pans worth at a time due to fear of it setting in a bucket, if you mix a buckets worth of synko pro set 90 how long will it be workable, will the bucket allow for it to stay wet longer?

Also is it ok for me to use this for ALL my coats (mesh tape)

Thanks!

http://www.homedepot.ca/product/synk...-kg-bag/911228

oh'mike 10-14-2013 09:49 PM

It will set a bit faster in the bucket than the 90 minutes---However, I would mix a larger batch if you can use it all within an hour or so---

Why would you use that for all coats? It's rather difficult to sand---that is why most people use topping compound for the final coat.

Also, Why mesh and not paper? I have the best results with paper--I haven;t used mesh in 15 or 20 years----

forcedreno2012 10-14-2013 10:09 PM

I had to mix up a bigger batch to fill in a wacky corner prior to taping and used a bucket. One tip - keep the bucket sides clean as you use it as in VERY clean...those fiddly buggers that get left on the side set quicker much quicker than the main portion. This happened to regular mud as well but with the hot mud its mucho quicker.

wingzjr 10-15-2013 12:12 AM

Quote:

Originally Posted by oh'mike (Post 1253583)
It will set a bit faster in the bucket than the 90 minutes---However, I would mix a larger batch if you can use it all within an hour or so---

Why would you use that for all coats? It's rather difficult to sand---that is why most people use topping compound for the final coat.

Also, Why mesh and not paper? I have the best results with paper--I haven;t used mesh in 15 or 20 years----


for but joints you only really have one coat right? you just taper out farther and farther correct?

how would you use hot mud + topping compound in that situation?

oh'mike 10-15-2013 03:35 AM

I set paper tape with multipurpose---this is also called setting compound --it contains glue and is rather hard to sand.

Next coat--either hot mud or multipurpose---

Final coat---light weight----

I don't use mesh---perhaps a mesh user will chime in---Where is Pollecat?

PoleCat 10-15-2013 05:54 AM

I swore off the mesh. Used it for years on partitions at work with no issues but found out the hard way at home that it hairline cracks on a ceiling. I am now hard core paper man.

747 10-15-2013 06:29 AM

I don't understand why your using hot mud? Most guys only use this doing quick patching here and there.

ToolSeeker 10-15-2013 08:10 AM

ABSOLUTELY NOT a mesh tape guy but hot mud is primarily used for fill and by some for first coat. It doesn't matter if its in a bucket or on a wall hot mud sets by a chemical reaction not exposure to air that is why sometimes it's set and still looks wet and you can put another coat on top. And no one coat is not enough you need 3 coats tapering each one out farther. The reason you usually only use one coat of hot mud is it's hard to work with, it's hard to sand, it flashes paint really bad. And then there's mesh tape, no I'm not even going to go there.


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