Cobblestone is all natural and does not wear like concrete pavers since it is the same all the way through. However if you wanted to ensure stain/algae protection or if you want the wet look sealing gives then you should still seal it. Check out the article I wrote on how to
Last edited by oh'mike; 04-10-2011 at 05:51 PM.
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It all depends on the finish look you want? Sealing does protect the surface from staining. If you do it yourself, make sure you know what your doing. Other wise, it could end up being a diy nightmare.