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Old 02-03-2013, 10:45 AM
Smallaxe Smallaxe is offline
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Join Date: May 2007
Location: Central Wisconsin
Posts: 10,091
That stuff up there is most likely moss of some sort that will eat away at the shingles through the acids produced in it root system if not scraped off... are we thinking that these are larger plants with root systems growing through the shingles???
Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
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