Tagged home repair, so you may want to take a look through recent posts there. This one from 2013 has a couple of recommendations, as does this one.. Maybe also this one, if your roof is slate (I can't remember if it is).
Other posts are from 2010 or before, so I don't know how useful they are.
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Date: 2015-11-11 02:06 pm (UTC)Other posts are from 2010 or before, so I don't know how useful they are.