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Archive for December 15th, 2011

Roof Shingle Fungus Redux

Cleaned the gutters a while ago and the shingle fungus is getting worse: more sites and more stains. I sprized some general-purpose fungicide on the area over the kitchen:

Shingle fungus - east slope

Shingle fungus - east slope

And down the valley between the north and east slopes:

Shingle fungus - north and east slopes

Shingle fungus - north and east slopes

We’ll see what happens by next spring; I hope the larger moss clumps will take the hint.

However, that short length of copper wire seems to be improving things. Here’s the before:

Copper effect on roof discoloration

Copper effect on roof discoloration

Compared with the current state, from a different spot:

Shingle fungus - below Cu wire

Shingle fungus - below Cu wire

The intense streaks have vanished, leaving a uniform lighter gray layer, and the upper area near the wire looks, mmm, less awful than the lower areas. I think running copper wire or zinc strips (which I have not found at the big box stores) along the ridge vent will do wonders, although I’m not sure how to anchor either one along the hip joints between the other slopes.

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