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Question:

Painting on plasterboard?

im wanting to do a big art piece and though a plasterboard may be the best thing but i was wondering about when it comes to painting it is there anything id need to do before hand? and how would watercolour or acrilic paint look on it??

Answer:

If you mean drywall with the paper backing on both sides, that would be really heavy, fragile, and be just like painting on paper. I think masonite, aka hardboard, is better. It comes in 1/8 and 1/4 and you would have to prime it first. Any good white latex paint would be as good as artist's acrylic gesso. Prime both sides equally to prevent warping. It would still probably benefit from a wood framework glued to the back before priming. If the frame is stiff enough, prime just the front.
May 11, 2017
I would not recommend a pastel board for acrylic. Buy an ordinary canvas or Masonite board.
May 11, 2017

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