RE: pervious concrete paving
From: truddick [at] (
Date: Sat, 7 Jan 2006 08:27:08 -0800 (PST)
> Oil:
> As far as the oil goes, I can see how it would be more difficult to scrub
> out any discoloration from the pervious concrete. The only way to avoid
> discoloration altogether is to use an oil-based product like asphalt.

Actually, spilled motor oil will discolor your asphalt (sealed or not). 
Oil will discolor anything except oil.

One advantage to traditional concrete in this area; just about anything
spilled on it will eventually faded and disappear due to
sun-bleaching--provided that the material is not too thick, a bucket of
oil-based paint will not disappear but a few drips of the same will, after
a few years.

The most stain-resistant paving material, I think, would be concrete that
was sealed with an outdoor polyurethane.  Not that I would recommend going
to such chemically-engineered extremes!


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