Painting fresh plaster

Question

I have used watered down emulsion to paint new plaster but it was dulux silk. It said on the tin that it could be watered down 10% to seal new, porous surfaces but I have since read it must be Matt. Have I ruined my plaster?

Peter · Accepted Answer

The point of an undercoat is to protect the surface and the top coat so weather you used silk or matt should be irrelevant. If you stuck to around 10% water that should be fine. Plaster likes any kind of paint to be fair. Just ensure that it is dry before applying base/top coat as the paint you used was not an actual primer.

Christopher · Answer

No this would be ok - generally its not ideal but if allowed to fully dry it has created a first skin in order to apply further layers

Jacek · Answer

I think not to damage the plaster, if it was new, rub it with sandpaper and apply a new primer and add water according to the instructions on the tin.  It has to be matte paint

Traian · Answer

Let it dry before painting. also, the first coat is better to be white then all colours after.

Dave · Answer

Hi no you haven’t ruined the plaster just sand down surfaces that was mist coated and start again in Matt emulsion 10% watered down once you have done this you may then start top coating in silk not watered down .
Thanks 
Dave

Dorin · Answer

No, you haven't ruined the plaster.  The surface just needs to be prepared for your new paint/color desired

Marc · Answer

You might need to put a barrier on the wall to seal it to then repaint over there's plenty of products out there zinsser bullseye 123 zinsser bin or a peel stop but personally I would never use silk it shows everything on the wall there is better alternatives hope this helps.

Lee · Answer

Sand down the walls, then fill and sand again! Then paint again with watered down paint 30% water.

Gerald · Answer

You should never use silk on a bare plaster. I would suggest to leave it dry and remove it after it is dry so you can apply another coat of mist coat you can use Leyland super latex which can be thinned with 30 % water

Kieran · Answer

Matt paint the best thing to use on this job 
Thanks

Painting fresh plaster

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