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Rinehart
05-16-2007, 12:01 PM
I play with watercolors primarily although I do some pen and Ink as well as graphite drawings, from time to time. A local person with a beautiful home and a healthy bank acount saw some of my work and asked me if I would do a mural in her home on a small alcove 7,1/2' X 2,1/2'. I tried telling her that all of my experience was on paper of one kind or another and that the medium I am most familiar with and that I do most of my work in would not be suitable to paint the wall with as the first time she washed the area it would be gone. She was not having any of my excuses so my question now for anyone that can help me is, what medium is best suited for a plaster wall? Are there any suggestions as to prior preparation of the surface such as gesoeing the wall? Help!!!

Mary Woodul
05-16-2007, 01:19 PM
Hi Rinehart! I found this in a google search that might be helpful but I will also cross-post this for you to the Casien, Gouache and Egg Tempera forum because the people that use those mediums are usually familiar with types of Fresco painting and might be able to help you.

Good luck!

http://www.ehow.com/how_17473_paint-wall-mural.html

dbclemons
05-16-2007, 03:11 PM
Here's a couple fresco related sites you might find useful:
http://truefresco.com/cgidir/dcforum/dcboard.cgi
http://www.fresco-techniques.com/

Casein (also egg whites) with a lime base has been used in mural paintings for ages (aka albumin.) I've only done some small works (not murals) with lime casein on plaster plates and casts. With other mediums, like acrylics, the absorbancy of the plaster will have to be abated to some degree to perform well. Golden has a webpage here (http://www.goldenpaints.com/technicaldata/murals.php)that talks about preparations for murals in acrylics. Search the term "fresco secco" or dry plaster painting for more information.

Dale Ziegler
05-16-2007, 09:16 PM
Definitely not guoache, I'd size the wall per instructions and use acrylics which will allow changes if she doesn't like it.

cmwynn
05-17-2007, 07:45 PM
Casein used to use a lot for home decorations, but that might have been mostly on wood. I had a mural painted in my home several years ago, but that was on wallboard. This is plasterish stuff with heavy paper over it. The artist used latex paint, just the same kind used for painting rooms in the first place. I lived with it for a number of years and it was certainly a selling point when I had to leave that house.

gingery
05-18-2007, 01:17 AM
I would suggest you ask your questions in the decorative arts forum as they do murals all the time....the experts in the area. Best of luck!
ginger

dbclemons
05-18-2007, 10:02 AM
Well, I don't know where Rinehart is located, but here's a place in the UK (http://www.earthbornpaints.co.uk/products/interior/casein.htm), for example, that sells casein emulsion and pigment especially intended for wall painting. "Great for...plastered surfaces and plasterboard." In the US one could take a look at Milk Paint (http://www.milkpaint.com/path_walls.html), or Real Milk Paint (http://www.realmilkpaint.com/paintwalls.html). Any porous surface is fine for casein.

Color selection for these is rather limited, but I've been testing out a brand from Rosco (http://www.rosco.com/us/scenic/iddings_deep.asp)that is quite nice and in normal saturated hues, which also comes in large quantities.