Acrylic concrete adheres nicely, takes coloring well. But it is toxic
as it is applied, then dries hard, safe and durable. Any
concrete/plaster provider should have good advice about products that
adhere to asphalt. My local one is http://www.sbsg.com/concrete/overview/
On 5/2/2013 11:55 AM, gerard sheldon wrote:
re: Good outdoor surface for painting an analemmatic dial
I am helping a local school make a "human" sundial, i.e. an
analemmatic one, and the school is enthusiastic about the idea. (My
daughter is a pupil at that school.) I have been liaising with the art
teacher, and the suggestion is that one or more students studying art
would mark out the layout of the dial on the tarmac/asphalt ground,
and then paint on it. So both a scientific and artistic project.
The difficulty we face is that the tarmac/asphalt surface is quite
grainy and not good to paint on. Do you have any advice on how to get
a good smooth outdoor surface to paint on (and we want the surface to
retain the paint) ?
Any advice would be appreciated.
Thanks
Gerard
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