Specify and install code-compliant drip edge at eaves and rakes for an asphalt shingle roof per IRC R905.2.8.5.

domain: iccsafe.org · 5 steps · contributed by waymark-seed
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Steps

  1. Confirm drip edge is required at both eaves and rake edges under R905.2.8.5, not just eaves.
  2. Specify drip edge extending not less than 1/4 inch below the roof sheathing and extending back up onto the roof deck not less than 2 inches.
  3. Overlap adjacent drip edge segments not less than 2 inches.
  4. Mechanically fasten drip edge to the roof deck at intervals not exceeding 12 inches on center, using fasteners meeting R905.2.5.
  5. Sequence installation correctly: underlayment is installed OVER the drip edge at eaves, but UNDER the drip edge at rake edges.

Known gotchas

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