I have a request for help on a problem.On a outdoor granite slab they are having trouble with areas of the stone breaking down. Any thoughts on why this is happening?Thanks,Roger @ Restoration Stoneworks LLCVisit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com