Step-by-Step Instructions and Pictures of How to Run Duct Outside to Prevent Roof Rot

Improve bathroom air flow with a vent through the roof. Read an overview on how to repair a broken bathroom fan.
From The Family Handyman
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How to Run Duct Outside to Prevent Roof Rot-Step 1
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1. Slice out a 4-1/4 in. circle of shingles centered on the marker screw. Then drill a starter hole for your jigsaw blade and cut out the roof sheathing.
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