Sunday Night
57°
Thunderstorms Likely
57%
Memorial Day
76°
Partly Sunny
24%
Monday Night
57°
Chance Thunderstorms
29%
Tuesday
72°
Partly Sunny
12%
Tuesday Night
54°
Partly Cloudy
13%
Wednesday
70°
Slight Chance Thunderstorms
15%
Wednesday Night
50°
Mostly Clear
10%
Thursday
74°
Partly Sunny
10%
Thursday Night
57°
Chance Thunderstorms
32%
Friday
75°
Chance Thunderstorms
40%
Friday Night
58°
Chance Thunderstorms
40%
3 Day
Extended
Thursday, September 16th, 2010
Photo by Betty Lawrence/The Daily Standard

Dark vertical streaks on shingle roofs are actually caused by algae growing on limestone filler. If not treated, like this roof, the algae will shorten the life expectancy of the roof.

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