
When Conifer Litter Piles Up on the Roof in Bellevue, WA
Douglas fir and cedar canopy over so many Bellevue lots means needles, cones, and twig litter build up in valleys and gutter troughs year-round. Left alone, that debris holds water against the roof deck. Here is where it collects, what it does, and how to remove it without damaging shingles.
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