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Posted by jolt on December 2, 2006, 2:58 pm
>I had to take down the (plaster) ceiling in a stairway, and I'll
> probably use plaster when I put it back up. I've done some plastering
> before, but on 'virgin' walls. Here, I have to join it to existing
> plaster, at the ends and sides (inside corners). This is new territory.
>
> I'm thinking to sand off the paint on the old stuff, wet it thoroughly,
> and then just put the new on as per usual. I'm concerned that this
> won't bond well, and a crack will develop. That wouldn't be the end of
> the world, but I'd rather avoid it.
>
> The new plaster will be probably be Structolite, over sheetrock +
> Larsen's Plaster-Weld. The old is pretty thin - like 1/4", over wood
> lath. It has fine hair in it, so I suspect it's horsehair, though I
> wouldn't otherwise know one way or the other.
>
> Any comments appreciated. Well, most, anyway.
>
> G
See if this gives you some insight or ideas.
http://www.oldhousestore.co.uk/tech_ohs/render.html
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