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JShop

Ok so the domain is www.ensorbuilding.com The keyword is "rubbercover". The URL which used to rank until around a week ago is http://www.ensorbuilding.com/section.php/43/2/firestone-epdm-rubbercover-flat-roofing I submitted to a few directorys, not many maybe 5-6. On my home page I did have the keyword in the META keywords and the Title tag but have removed them to avoid cannibalization as you mentioned.

I think you need to implement a 'canonical tag' on this page. Check out Rand's post on it here: http://www.seomoz.org/blog/canonical-url-tag-the-most-important-advancement-in-seo-practices-since-sitemaps