Pont Noir

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Plaque de platre
by Landa • Tue 14 Feb 2006 07:12
Hi everyone
can anyone tell me what these 10 litre tubs of plaque de platre sold in Brico are used for? I bought one thinking it was a sort of plaster ready made for skimming.When I opened it looks very much like paint to me.Used it on the ceiling and did a better job than the paint did!
Many thanks Landa
Feb 2005
Re: Plaque de platre
by Dave • Tue 14 Feb 2006 07:35
plaque de platre is French for plasterboard, so it's a little bit of a surprise to find this sold by the litre.

It could be anything I guess, but most likely:-

If it is very runny, it is a first coat primer for plasterboard before painting. In the UK you would just add 15% water to white emulsion for the first coat. This is because the plasterboard will take in the moisture too fast for normal paint. In France, emulsion paint is rubbish. It is not at all the same as in the UK. You can't water it down safely and also you must wait 24 hours between coats because until it is totally dry the colour is not set and a second coat after a few hours will be have no real effect (esp. in white paint).

If it is a little thicker than paint (like a runny paste) then this is a French equivalent of a skim coat, although this is not really used that much. Boards here tend to be mapped (glued) onto the wall and the joints done with a jointing compound. Then sanded and painted without a skim coat.
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Aug 2004
Re: Plaque de platre
by Landa • Tue 14 Feb 2006 13:37
Many thanks Dave.
I think it is most likely a primer for plasterboard from your description.
Feb 2005
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