Originally Posted by spray_man
I watch people paint faux stone/concrete from time to time. It is an art form. I can do it too, but I do not do it for a living (although I should - it pays very well). StoneFaced was looking for ideas. Why mock me, if you don't understand the process? Plus water colors are derived from nature, with water added.
The discussion was/is about field stone, not faux stone/concrete. I understand the process of colored concrete and staining concrete, to simulate the look of natural stone. We utilize those methods in some projects that we build. Typically done through color releases, added to the concrete. An intrical base color is added on the mixer truck, highlight colors are broadcast and hand troweled into the concrete, where then a sealer is applied after a final wash and concrete is cured. Paint would not ever be used in these types of applications, one reason being that it would not hold up to a pressure washing, should the client decide to clean it. We work w/ many different types of stone, including faux veneer stone, which again wasn't the product in question. We (like some) like to use the right stone for the right application, pending the look of what we want the finished product to be. I could be wrong, but I have never seen a product (simulated) where it was an option to paint, as that process has already been handled by the manufacturer. Aside from all that, I didn't get the impression that he was trying to preserve the look of the fungal matter on the stone. If he was trying to save "that look", he probably wouldn't have raised the question about cleaning it...eventually, if nothing were done to it at all, the look would still change once moved to another location. Especially if exposed to more sunlight. Paint and what is natural (fungus, mold, algae) are not going to age and change at the same rate, especially when exposed to UV light. Therefore, in a year or two...the project would not hold the look of where it started, and sealer isn't going to help that idea work any better either.