Drip Edge Flashing

Reblogger Dan Edward Phillips
Real Estate Agent with Dan Edward Phillips

'Drip Edge Flashing' is a very necessary addition to almost any home in Humboldt County, California.  This post provides great input on that subject.  Thank you to Justin Nickelsen on Nickelsen Home Inspections in Vancouver, WA for the post.  Please leave comments on Justin's original post.

Original content by Justin Nickelsen

Vancouver WA Home Inspector / Portland Oregon Home Inspection

Drip edge flashing, while not technically "required" in most municipalities, is a good idea, and if it isn't present I will often find problems on homes.  Subsequently, whether there are problems or not, I will always call out missing drip edge flashing (with a couple notable exceptions...) in a home inspection report.

But first, what is drip edge flashing?

Drip edge flashing tucks up under the shingles, resting on top of the roof decking/sheathing (which also happens to be, in this case, the top side of the "eave"...), then angles down over the gutter providing an "edge" for water to "drip" off of.  See the picture to the left.  You can see me pulling up on the shingles, and then below that you can see the edgeing of the roof deaking/sheathing.  Below it you see the gutter.  What you don't see: drip edge flashing.  It isn't there.  On this particular house, the lack of it (combined with gutters that tended to over flow at times) lead to wood decay.  This is something that would not only get brought out in a home inspection report, but would also be listed as a "conducive condition to wood destroying organisms" in a Washington State compliant "pest and dry rot" or (more accurately) "Wood Destroying Organism" inspection report--i.e., since no drip edge flashing is present, it can (or has) lead to decay, and is subsequently a "conducive condition" to decay.

Lack of drip edge flashing has lead to wood decay.The picture to the left clearly shows how the sheathing/decking of the roof (the "eave") has decayed along the exge due to lack of drip edge flashing.

The picture to the right (below) shows a diagram of where it would be present.Drip edge flashing









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Nickelsen Home Inspection

If you or anyone you know is in need of professional home inspection services and structural pest inspection/pest and dry rot inspection services in NW Oregon or SW Washington, please consider referring them to us.  We cover the Gorge to the Coast, and Salem to Olympia, including Vancouver and Portland and much more.  

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Justin Nickelsen, CMI

Nickelsen Home Inspections, LLC

"A Conduit for Educated Real Estate Transactions"

Serving Oregon and Washington From the Mountains to the Coast

Professional Licenses, Memberships and Certificates

  • Certified Master Inspector (CMI) with the Master Inspector Certification Board
  • The American Society of Home Inspectors - ASHI Certified Inspector and Member #246145
  • The National Association of Home Inspectors - NAHI Member
  • The International Association of Certified Home Inspectors - InterNACHI #0073170
  • IAC2 Certified Indoor Air Consultant - IAC2-01-0235
  • Vice President of theOregonChapter of InterNACHI
  • Founding Member of SWWAHI - TheSW WashingtonAssociation of Home Inspectors
  • OregonLicensed Home Inspection Firm CCB# 172294
  • OregonCertified Home Inspector OCHI# 1173
  • WashingtonStateLicensed Home Inspector #415
  • Licensed and Certified StructuralPestInspector through the Washington State Department of Agriculture (71352)
  • Member of theWashingtonStatePestManagement Association
  • Passed the National Home Inspectors Examination
  • Second Generation Inspector
  • Annually Performing 450-550 Inspections/Thousands Performed in Career
  • Past Experience as a Contractor - All Phases of Residential Construction
  • Annually Maintaining Over 50 Hours of Continuing Education (twice the requirements of OR and WA)
  • Past Member of OAHI - TheOregonAssociation of Home Inspectors
  • Past Member of NWOCHI - The NWOregonAssociation of Certified Home Inspectors
  • Past Member of OREIA - TheOregonReal Estate Inspection Association
  • Specializations: Electronic Radon Measurement, Early 20th Century Properties, Early 1990's Properties, New Construction, Log Homes, Structural Pest Inspections (Termites/Carpenter Ants).
  • Advanced Skills: Oral and Written Communication, Advanced Reporting and Detailed Analysis.


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Dan Edward Phillips

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