Here is a project I just completed during this first week of the new year. I used some techniques that I never tried before. I rarely use foam but for the embankments next to the bridge, they worked well since I had to make the concrete look deteriorated. I also always paint the foam with latex paint so I can spray it without melting it. In this case, I even used the latex on the styrene bridge. Maybe I will throw away my spray cans.
Thank you for the challenge David.
Here are some pictures.
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Alan Very nice I have used foam on my current layout and planned on using a latex base coat.
That sure does look like concrete! Great bridge! JohnA
As one bridge troll to another, excellent work! 
I never thought about using foam for the trim components, but I like how it turned out. Latex paint is a good idea, especially exterior flat.
For the adobe/stucco look, you can throw some fine sand on the first coat of paint while it's wet, shake off what didn't stick, then paint it with another coat after the first coat dries.
Nice work!
Great work as always Alan!
I think that I may need to borrow some of these ideas.
That's my man Alan! What a great job.
Dave
Awesome. What was your process to achieve the painted color of concrete?
Ryan,
I used a gray and mustard colored latex paint that I had laying around. I used some black chalk and some baking powder sprinkled in. There are always a number of ways to get to a destination.
Thank you Matt.
Thank you Sean.
If you guys have grout or mortar mix lying around, mix it into a thin slurry and paint on. It gives a little depth and texture to the coating to be able to wash the surface, not unlike finishing plaster cloth. I apply it on foam all the time.
Alan,
Nicely done.
Tom
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