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Hot Mud

 
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Old 10-24-2007, 10:44 PM   #1
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Hot Mud


I searched for Hot Mud in here, I though we discussed it before, but can't find it. So I'll bring it up again.

I do a lot of patch work/repairs. I need to figure out how to make Hot Mud so I don;t have to make so many trips back for a small job.

Is there a way to make this using either the Blue or Green Lid mud? ie: Can I add plaster to the mix and if so how much do I add.

Or do I have to mix it from scratch?

Whats the dry times I can expect from doing this?

Thanks
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Old 10-24-2007, 10:48 PM   #2
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Re: Hot Mud


I use sheetrock brand lightweight setting type joint compound in 5 min set 20 min set 45 min set and 90 min set.
http://www.acehardware.com/sm-sheetr...i-1378703.html

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Old 10-24-2007, 10:48 PM   #3
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Re: Hot Mud


DuraBond45 Or 90 if you're not so gutsy.
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Old 10-24-2007, 10:50 PM   #4
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Re: Hot Mud


In my parts, it is sold in powder form in bags labeled for different working times...5 minute, 20 minute, 40 minute, and 90 minute. Just mix with water in amount you can use in that working time and go. I have a drywall sub that does an entire bathroom with 5 minute. I can't even mix that stuff before it starts going off. I find 5 minute almost unuseable...lol
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Old 10-24-2007, 10:52 PM   #5
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Re: Hot Mud


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Originally Posted by neolitic View Post
DuraBond45 Or 90 if you're not so gutsy.

I used to use durabond 15 years ago. cant sand it though. You still need a topping compound if you need to sand.
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Old 10-24-2007, 10:52 PM   #6
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Re: Hot Mud


Used 5 min today on two patches. Painted them just before leaving. Had other stuff to do in the house while waiting for it to dry.

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Old 10-24-2007, 10:53 PM   #7
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Re: Hot Mud


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Originally Posted by send_it_all View Post
In my parts, it is sold in powder form in bags labeled for different working times...5 minute, 20 minute, 40 minute, and 90 minute. Just mix with water in amount you can use in that working time and go. I have a drywall sub that does an entire bathroom with 5 minute. I can't even mix that stuff before it starts going off. I find 5 minute almost unuseable...lol
Not ALMOST, for me
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Old 10-24-2007, 10:57 PM   #8
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Re: Hot Mud


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I used to use durabond 15 years ago. cant sand it though. You still need a topping compound if you need to sand.
True, but I aint all that impatient either. My finisher can leave the stuff so I don't need to sand, if he's in the mood.
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Old 10-24-2007, 10:59 PM   #9
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Re: Hot Mud


So it looks like I just need to can the can and start mixing my own stuff. I am pretty good with my knives and don't usually need to sand as much as feather out the edge for a seemless look. But I typically do three coats on the walls and 4 on the cealings. So if I could do 2 with the fast stuff and one when I leave, that would be ideal. Then O could come back the next day and finish it up.


Thanks for the explanations.
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Old 10-24-2007, 11:01 PM   #10
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Re: Hot Mud


You can use 5 min if you only mix a mud pan at a time. perfect for kitchen remodels where outlets are moved and you need to hang cabinets or paint that day. You can speed the setting time of the slower set mixes two ways. use hot water. or use the dirty water you cleaned the setting compound off your mixing tools with. When i set up for a hot mix job I use three pails. One to mix the mud in. One filled with water to clean the mixing paddle in. and one to hold the clean water in to mix with the compound. For the very small batches use a large sponge to add water with. you will almost always get the proportion right. Oh I also clean the mixing pail after every batch.

Last edited by A W Smith; 10-24-2007 at 11:08 PM.
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Old 10-24-2007, 11:02 PM   #11
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Re: Hot Mud


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Originally Posted by Digger1799 View Post


Is there a way to make this using either the Blue or Green Lid mud? ie: Can I add plaster to the mix and if so how much do I add.
Are you asking if you can mix ready-mix joint compound in with mixed Hot Mud (durabond) ???

If you are asking this, the answer is an emphatic NO. It throws the pH WAY off. Spikes it up around 12.

And do NOT mix slaked lime into hot mud either. BTDT, and it also spiked the pH so that even latex would not adhere well. I even tried Diamond Veneer in with Durabond and had poor adhesion of paint. (these were all tests in my own home, no harm no foul) [don't ask me why Durabond can not be mixed with Veneer plaster - they are both gypsum with some lime. Personally I think I did something else wrong, but I ain't gonna experiment on a job]

Get the 90 min hot mud and mix it sloppy and work fast. Keep the room cool (or at least the trough you mixed it in)
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Old 10-24-2007, 11:05 PM   #12
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Re: Hot Mud


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Originally Posted by neolitic View Post
True, but I aint all that impatient either. My finisher can leave the stuff so I don't need to sand, if he's in the mood.
Durabond and mesh tape is great for repairing plaster cracks though because it is tough like automotive bondo. lightweight compound is too soft and fragile.
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Old 10-24-2007, 11:12 PM   #13
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Re: Hot Mud


I use Westpac Fast set 5 Lite, here in CA. I only buy 5min. 18lb bags 7 bucks.

Others use 20min... I don't like it.
45 or 90min??? never use them.

But I;m a t/u guy. Lots of repairs and patches.

I'll do a small room with fast set and mesh tape, but any more than that it's regular boxed mud and paper tape. Paper tape IS superior!

Anyone can learn to use fast set... I had to! There was no choice, to be competitive.
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Old 10-24-2007, 11:23 PM   #14
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Re: Hot Mud


Quote:
Originally Posted by A W Smith View Post
You can use 5 min if you only mix a mud pan at a time. perfect for kitchen remodels where outlets are moved and you need to hang cabinets or paint that day. You can speed the setting time of the slower set mixes two ways. use hot water. or use the dirty water you cleaned the setting compound off your mixing tools with. When i set up for a hot mix job I use three pails. One to mix the mud in. One filled with water to clean the mixing paddle in. and one to hold the clean water in to mix with the compound. For the very small batches use a large sponge to add water with. you will almost always get the proportion right. Oh I also clean the mixing pail after every batch.
A W Smith has been there!

I mix a box at a time, and use milk jugs for water supply.
And I DO clean out my mud box every time.

I apply mud sparingly. Easier to fill a valley than sand down a mountain.
I hate sanding and breathing the dust.
Fastset Lite does sand easily, but my goal is to maybe hit it with a sponge just a little, then a minimum of pole sanding to feather the edge.
5min has qualities the other fast setting mixes don't have...
And I fully agree with him on hot water, or dirty water!
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Old 10-24-2007, 11:28 PM   #15
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Re: Hot Mud


I have found that if I need to sand, I will spray the area with water and hit it with a sanding sponge then go over it again with my knife...no dust.
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Old 10-24-2007, 11:31 PM   #16
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Re: Hot Mud


Festool makes a great sandless sander.
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Old 10-24-2007, 11:42 PM   #17
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Re: Hot Mud


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Festool makes a great sandless sander.
I know you meant Dustless.
but that sounded funny
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Old 10-25-2007, 12:15 AM   #18
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Re: Hot Mud


I can't believe no one mentioned......

When you mix fast set mud, only mix what you can apply. Or you'll spend more time cleaning the mud pan and waisting material then actually applying it on the walls.
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Old 10-25-2007, 12:18 AM   #19
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Re: Hot Mud


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I can't believe no one mentioned......

When you mix fast set mud, only mix what you can apply. Or you'll spend more time cleaning the mud pan and waisting material then actually applying it on the walls.
Quote:
Originally Posted by send_it_all View Post
In my parts, it is sold in powder form in bags labeled for different working times...5 minute, 20 minute, 40 minute, and 90 minute. Just mix with water in amount you can use in that working time and go. I have a drywall sub that does an entire bathroom with 5 minute. I can't even mix that stuff before it starts going off. I find 5 minute almost unuseable...lol
Someone did.
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Old 10-25-2007, 12:24 AM   #20
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Re: Hot Mud


lol, all you said was you couldn't use it. Here's tip, use cold(Ice in the water bucket helps) water to retard the chemical reaction. It will buy you time to apply it.

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