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Skim Coat Plaster Help

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Old 04-06-2019, 11:41 PM   #1
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Skim Coat Plaster Help

need to repair an interior skim coat plaster wall . this house got what was called 'skim coat plaster ' on drywall/sheetrock walls . 1/8" skim coat .so i have to repair a small section that was water damaged . 1 ft wide 4'feet long . I am trying to decide between hot mud which I am familiar with and plaster which is gritty and i expect harder to smooth out .
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Old 04-06-2019, 11:55 PM   #2
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Re: Skim Coat Plaster Help

I vote for hot mud.



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Old 04-07-2019, 12:57 AM   #3
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Re: Skim Coat Plaster Help

Durabond. If you need a harder surface, add acrylic fortifier.
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Old 04-07-2019, 08:38 AM   #4
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Re: Skim Coat Plaster Help

thanks ,my 1st choice also.
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Old 04-08-2019, 12:28 AM   #5
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Re: Skim Coat Plaster Help

I do a lot of plaster repairs as well as drywall. First off, be mindful that you keep your area at a 1x4’ water damaged are. It’s hard to find a stoping point.
Usually working with 1” depth in plaster.
Also,depends on the lath. If wood;backing can be applied, then drywall, then hot mud. That’s one way.
You can also put the same material back.
Use metal lath and a box of stucco patch mix. Drys in 20min. Get textured grit for you project. Also apply the bonding agent. I usually buy it by the gallon and apply separate. I like it as tacky as possible to adhere to surface much better.
Depending on texture. Wet sanding may do or a float will also work.
Just a few ways to skim a cat 😎👍
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Old 04-08-2019, 08:08 AM   #6
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Re: Skim Coat Plaster Help

That sounds like rock lathe, which are 16" x 48" (3/4" thick, I think) sheetrock-type boards onto studs, then skimmed with plaster. We have that in our post WWII, 1947 home.

I use Durabond, (nothing proud, no sanding) then easy sand or whatever to finish it up.


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