Those rectangle boxes are . . . .

Those rectangle boxes are . . . .

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Posted by The Yellowstone Wolf (10.2.1.34) on August 18, 2009 at 17:31:18:
In Reply to: Looking Good posted by Elder Bob on August 18, 2009 at 02:50:10:

Durovent ventilation channels. They allow the free flow of air from the eaves, through the attic insulation to the roof vent. They allow an unobstructed channel through the insulation.

Lew

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