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How a Residential Roof Claim Jumped 70% — From $13,412 to $22,774 After a Detailed Supplement Review

When a residential homeowner’s insurance company approved a full roof replacement, the scope seemed complete at first glance. But a closer review revealed missing line items and incorrect quantities, making the estimate thousands of dollars short.

 

After identifying more than 20 gaps, including ice and water barrier, drip edge, and high-roof charges, we submitted a detailed supplement. The result was an additional $9,361 approved, bringing the total claim from $13,412 to $22,774, which is an increase of nearly 70%.

 

This case demonstrates why a “warranted” roof replacement doesn’t always mean a complete one. Even when the insurance company agrees to replace the roof, the estimate can still fall short if essential materials and labor aren’t properly accounted for.

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The Gap Between the First Estimate and the Real Scope

Even when an insurance company warrants a full roof replacement, the scope can still be underpaid. Below is a side-by-side comparison of how a detailed line-item review corrected quantity shortfalls and added missing code-required materials to bring the claim in line with the actual work.

Initial Carrier Estimate
(The Underpaid Scope)

Summary for Coverage A — Dwelling
Line Item Total$12,958.64
Material Sales Tax$454.34
Replacement Cost Value$13,412.98
Less Deductible($2,403.00)
Net Payment$11,009.98

CSP Optimized Result
(The Supplement Win)

Summary for Coverage A — Dwelling
Line Item Total$22,774.71
Replacement Cost Value$22,774.71
Less Deductible($2,403.00)
Net Payment$20,371.71
Comparison graph showing original insurance estimate of $13,412 vs final approved claim of $22,774 after supplement review.
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Project Overview

  • Property Type: Residential
  • Trade: Roofing
  • Cause of Loss: Windstorm and Hail

 

The homeowner’s insurance carrier acknowledged the need for a full roof replacement. However, the original estimate contained significant quantity shortfalls and was missing entire line items that are standard for a complete, code-compliant roof installation.

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The Original Insurance Estimate

  • Original Replacement Cost Value (RCV): $13,412.98
  • Deductible: $2,403.00
  • Original Net Payment: $11,009.98

 

What the original estimate included:

The carrier’s scope covered the basic shingle removal and replacement, along with roofing felt, gutters, and a dump truck load. However, the quantities assigned to these items did not reflect the actual roof measurements. In addition, the initial insurance scope did not include code-required items necessary to repair the roof.

 

Missing or under-scoped items:

  • Ice and water barrier 
  • Drip edge 
  • Asphalt starter course 
  • Step flashing 
  • L flashing, kick-out diverter, and pipe jack flashing
  • Double-coverage roofing felt for low-slope sections 
  • High-roof charges for second-story work 
  • Multiple line items with quantities that didn’t match the roof’s actual dimensions

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Why a Supplement Was Required

The carrier warranted the replacement, but a “warranted” roof and a fully scoped roof aren’t the same thing. A line-by-line review showed that quantities for shingles, felt, gutters, and debris removal didn’t match the actual roof measurements. The estimate also omitted code-required components like ice and water barrier and drip edge, plus high-roof labor charges for the second-story sections.

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Supplement Scope & Documentation

Scope of Supplement:

  • Ice and water barrier, drip edge, and asphalt starter course
  • Step, L, kick-out, and pipe jack flashing
  • Double-coverage felt for low-slope areas
  • High-roof labor charges
  • Correct quantities on shingles, felt, gutters, and dump fees

 

Total Amount Requested: $23,519.02 

Total Amount Approved: $9,361.73

 

Supporting Documentation Provided:

  • Before, during, and after photos
  • Pre- and post-supplement estimates
  • Line-item breakdown with quantities and justifications
  • Adjuster communication

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Final Results and Impact

  • Original Estimate (RCV): $13,412.98
  • Final Claim Value (RCV): $22,774.71
  • Total Increase: $9,361.73 (~70%)

 

Impact:

  • Code-required ice and water barrier, drip edge, flashing, and starter course approved
  • High-roof labor charges properly accounted for
  • Quantity shortfalls corrected to match the actual roof
  • Contractor fairly compensated for a complete, code-compliant install

Don’t Assume Your Roof Claim Is Complete — Let Us Review It

An approved roof replacement doesn’t automatically mean the scope is adequate enough to complete a proper repair that is up to code. Insurance estimates often contain quantity shortfalls that don’t match the actual measurements, and they may leave out standard installation components like flashing, ice and water barrier, and starter course. Our team reviews claims line by line, identifies the gaps, and builds supplements that align the estimate with the real scope of work. Contact Claim Supplement Pro today to request a claim review and see what may be missing from your estimate.

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Business people communicate about the underpaid insurance claim.

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PopArt N.
07:09 02 Apr 26
We’ve had a very positive experience working with Vlad and his team. He is very professional, detail-oriented, and consistently easy to work with. His friendly approach makes collaboration smooth, and his dedication shows in every part of the process. He is always willing to go above and beyond to help move things forward, which makes him a truly valuable partner.
Roofing Capital L.
13:47 28 Mar 26
Vlad and his team are amazing! I’ve been working with them since the start of the company they are quick, professional, detailed and patient since the start! I’m glad we decided to do business an continue for the years to come with Vlad and wonderful his team
Devin K.
21:43 06 Nov 25
I had a great experience with this company. They really made me feel comfortable by walking me through the process. They did a great job with supplementing my roof job and pulled in alot of extra money. Vladimir and Mandy were great to work with. I couldnt imagine anyone else doing a more thorough job. Thanks guys!
Daniel O.
15:21 27 Oct 25
I've been working with Claim Supplement Pro for the better part of a year and have been impressed with their professionalism and efficiency. Additionally, they are knowledgeable in their review process. Highly recommended
Kruna P.
13:23 15 Oct 25
Working with this team was an outstanding experience. From day one they showed professionalism, transparency, and genuine dedication. They quickly understood our goals, proposed thoughtful improvements, and kept us updated at every step. The outcome exceeded expectations, both in quality and timing. Communication was clear, fast, and proactive, which made the entire process smooth and stress-free. I would gladly work with them again and recommend them to anyone looking for a reliable partner.
Julie L.
06:41 25 Sep 25
Working with Claims Supplement Pro has been a wonderful experience. We’ve been working with this company for a while, they are very helpful with the estimates, invoices and processing the claims. The team is amazing, knowledgeable, professional and friendly. Thank you Mandy and Vlad. Highly recommend this company.
Vincent S.
18:25 08 Jul 25
We provide water damage mitigation services and we have used claim supplement pro several times now. I would highly recommend working with this company because they reduced the work load and made it much easier to process insurance claims. All of their staff is super friendly and pay attention to detail. Thank you for your outstanding support!

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As Supplement Experts, we offer expert advice and assistance in insurance supplementation for residential and commercial roofing projects

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Don’t let missing items or low estimates eat into your time and your paycheck. With accurate supplements and solid documentation, you’ll get paid what your roofing work is truly worth.

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Fence damage claims can be tricky. We help make sure all repairs are properly documented, so you can secure the full compensation needed to complete the work.

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Missed line items and vague estimates shouldn’t eat into your profits. We dig into the details, align with insurance carrier expectations, and make sure every bit of your residential work is backed by the numbers to get it approved.

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Initial insurance estimates often miss the full extent of fire-related damage. We deliver claim-ready supplements that reflect the true scope of repairs, so you can move forward with confidence and get paid what the job is really worth.

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Flood cleanup is tough enough without chasing underpaid claims. If your estimate doesn’t match the real work needed to dry out, clean up, and restore the property, we’ll step in to help you recover the difference.

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