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Applying a Plaster Coated Ceiling

Bob meets Tavino, the plastering contractor who is working on the ceiling. He is using a traditional patching method join an area where two ceilings meet. He fills in the gap with a basecoat of plaster instead of using drywall. The mix he uses for patching is thick enough that it stays in place on the ceiling. After putting down the basecoat he changes to a twelve-inch blade for a final pass to smooth out the plaster. After letting it set for an hour or two he comes back to add the first of two finish coats. He uses a topping joint compound made of non-cracking vinyl. He lays it on thinly and smoothes it out with a large trowel. He explains that the stair-stepped ceiling was made by affixing two extra sheets of drywall to the ceiling.
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Applying a Plaster Coated Ceiling

  computer-generated transcript - may not be 100% accurate

" And now, let's check in with Tavino [unk], who is our plastering contractor. And Tavino, you've done drywall all around the house, but this is a different kind of patch you're doing."

" Which is a base called the plaster oaks."

" Yes. What we had here was a winged wall that we've tore down, and rather than fill in the gap of the ceiling with drywall, Tavino is just filling it in now with a brown coat rough plaster, which is the old fashioned way. You make 1st an application of this kind of plaster and then you'll put on a finish coat. You go ahead and finish it up. Tavino, I've never seen anybody use this [unk] quite that high. How tall are you?"

" I'm 5.5."

" 5.5, and there still a drop of about 312 feet so you got [unk]."

" Yeah."

" That's great. How much more of this stuff you have to put on?"

" It's about this much."

" Okay. Now, the secret is that the mix is thickened up. It's stiff enough that when you throw it up like that, it stays in place."

" Take its place."

" Okay. And now you do 1 final craft just to smooth it out with that blade?"

" A 12-inch blade."

" Yeah."

" Now we use a 12-inch blade to put the final amount up there, and you build it up about an inch, but it's stiff enough that it just stays in place. And threw that. It's the rough coat. It's got to set for about an hour before it dries?"

" About an hour Or 2. About an hour, an hour and a half."

" Depends on how hot it is."

" Right."

" Today, it will probably take an hour. That looks pretty good, Tavino. Now, over on this side of the patch, you had already put it on earlier today so the rough coat is dry."

" That's right."

" What do you put over it now to finish it off?-You wanna though the finish coat joint compound."

" This is a topping joint compound."

" Yeah."

" Which is a vinyl product, really."

" Right."

" Yeah. And this would be on there as a skin coat? It won't crack?"

" It does. No, it won't."

" Good job."

" Yeah."

" Show me how you put it on."

" Okay."

" Load up the 12-inch knife all the way."

" Yeah."

" So after this, you take a final coat. "

" Yeah. After this, we'll take 1 final coat? Okay. I'm gonna let you go to work in a minute, but 1st, let me ask you, how did you do this?"

" 1st, you put up 3 sheets of drywall."

" Across here?"

" Across here. Right."

" Yeah."

" And then, add in 2 sheets."

" So then you've added another 2 sheets below the 1st 3 sheet."

" Right."

" And then just cut the corners off and put on [unk]."

" Right. That's what we did. Yeah, that's what we did it."

" But it took all day, right?"

" It takes time, yeah."

" Yeah, it takes time to do it right."

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