Wind Damage Roof — Valley Installation Was Missing or Incomplete

This was part of a wind damage roof where multiple facets were affected and the insurance company agreed to replace the entire roof. The issue wasn’t approval — it was the estimate. On paper, the adjuster only wrote for removing and replacing shingles and included a dumpster, but critical components of the roofing system were missing. One of those items was the valley system.

The Situation

The roof had multiple facets that tied into each other.

Where those facets meet:

👉 you have a valley

This is where water from two roof sections is directed into a single channel.

It is one of the highest water-flow areas on the entire roof.

What Was Written

The adjuster initially wrote for:

• remove and replace shingles

• dumpster / debris removal

There was no mention of:

• valley preparation

• valley protection

• valley installation method

What Was Missed

The valley system was not addressed.

That includes:

• ice and water protection beneath the valley

• the method of shingle installation at the valley

• or whether a metal valley was required

These are not minor details.

👉 Valleys are one of the most critical parts of the roof system

What Most People Miss

Not all valleys are installed the same way.

There are three primary methods:

Woven Valley

• shingles from both sides are interwoven together

• no cut line

• no exposed metal

This is more common on:

• 3-tab shingles

Less common on newer architectural systems.

Closed-Cut Valley

• one facet runs through the valley

• the opposing facet is cut along a chalk line

• creates a clean, straight appearance

👉 This is the most common modern installation

Open (Metal) Valley

• a metal valley (aluminum or copper) is installed

• shingles stop short, leaving the metal exposed

• water flows directly on the metal

Used for:

• durability

• higher water volume areas

• or specific design preferences

Ice & Water Protection

Regardless of the valley type:

👉 ice and water shield is typically installed underneath

Because:

• valleys carry concentrated water flow

• they are high-risk leak areas

Without proper protection:

👉 failure usually starts here

Why This Matters

Valleys are not just part of the roof.

👉 they are where roof systems connect

If they are not:

• properly installed

• properly protected

• or properly defined in the estimate

👉 you are leaving the most vulnerable area of the roof exposed

This happens all the time.

Because:

• valleys are not visible from the ground

• they are assumed to be “part of shingles”

• and estimates are written too generally

What Changed the Outcome

Once it was explained:

• that multiple facets tie into a shared valley

• that valley systems must be rebuilt during replacement

• and that proper installation method must be defined

👉 it was added to the estimate and approved

What Homeowners Should Look For

If your roof is being replaced, check your estimate for:

• valley protection (ice & water)

• valley installation method (woven, closed-cut, or metal)

• any material associated with valley installation

If it’s not addressed:

👉 it’s not included

Takeaway

Roof leaks don’t start randomly.

👉 they start where water is concentrated

And that’s the valley.

If the valley system is not properly included in the estimate:

👉 the roof is incomplete at its most critical point

And this is where it goes wrong.

One Last Thing (What Everything Comes Down To)

Everything comes down to the estimate.

If your claim is delayed, underpaid, or being pushed back, that’s usually the reason.

If you’re not finding a clear answer to your situation here, go through the other case studies. Most real-world claim problems — and how they were handled — are already shown there.

And if your estimate is in good shape, the other issues tend to be straightforward to push through.

To understand why this happens and how to fix it, review the following:

Why Insurance Claims Get Delayed (It Comes Down to the Estimate): The Real Reason Claims Get Delayed
The Entire Insurance Industry Runs on One Thing That’s Rarely Explained: It’s the Estimate — And This Is Why Contractors Get It Wrong: Contractors Don’t Fail at Building — They Fail at Writing
The Entire Insurance Industry Runs on One Thing That’s Rarely Explained: It’s the Estimate — And This Is Why Adjusters Rewrite Instead of Approving: Adjusters Don’t Approve What They Can’t Follow
The Entire Insurance Industry Runs on One Thing That’s Rarely Explained: It’s the Estimate — And This Is What It Should Look Like: A Proper Estimate Is Not Just a Number

How to Read an Insurance Estimate (Room by Room): Why Most Homeowners Feel Confused by Estimates

How to Vet a Contractor, Public Adjuster, and Mitigation Company: Why This Matters More Than Anything Else

If you still have questions about your claim, visit our Homeowners Insurance Claim FAQs page for quick answers and links to detailed guides.

Learn More At ClaimHelpMe.com

This page explains the basics of how this part of the insurance claim process works.

However, inside ClaimHelpMe.com, homeowners can access real repair estimates, detailed examples, and step-by-step explanations showing how claims are documented, evaluated, and presented to insurance carriers.

The free content explains the fundamentals.
The ClaimHelpMe platform shows how the process actually works.

Explore more homeowner insurance claim guides in our Claim Guides section.

About The Author

Mark Grossman is a Licensed Public Adjuster and NASCLA Certified Contractor with 28 years in the restoration insurance industry and 35 years in construction.

Learn more → Mark Grossman