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Estimator reviewing a construction floor plan and Xactimate estimate for a supplement
Supplement Documentation · Nationwide

Supplement Documentation for Restoration Contractors

Missing scope or line items? We compare the contractor scope with the carrier estimate, document every difference in Xactimate format, and submit the supplement with the supporting detail carriers expect.

10,000+
Contractor Files Managed
$300M+
Collected for Contractors
24–48hr
Estimate Turnaround
Since 2015
Nationwide
Supplement Documentation Specialists

Missing Scope or Line Items? We'll Document the Supplement.

Precision reviews the contractor scope and the carrier estimate to identify differences in quantities, pricing, materials, equipment, labor, and documented work. Common gaps include equipment days, code-required items, overhead and profit, and permit fees. Many contractors leave those items unbilled because writing a supplement takes time and Xactimate expertise.

Precision Estimates does this full-time. We have written hundreds of Xactimate supplements nationwide for water, fire, mold, storm, roofing, and reconstruction claims. We know which items are most often missing from carrier estimates and how to document them clearly, with code citations and manufacturer documentation. The most common categories we document: code upgrades, overhead and profit, permit fees, equipment days, labor burden, HEPA filtration, and antimicrobial application.

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What We Handle
for Your Operation

From first documentation to final payment — handled by former Xactimate instructors and restoration billing specialists.

✓
Xactimate® & Symbility estimating
24–48 hour turnaround, all loss types
✓
Billing, collections & carrier submission
Full invoice cycle with daily carrier documentation follow-up
✓
Technical estimate support
We support every line item with documentation
✓
Supplement writing
Missed line items identified and documented
Supplement Documentation Specialists Services

Specialized Services & Capabilities

Every service your operation needs handled by specialists who do this every day.

Estimator pointing out a code-required item to a contractor at a rebuild site

Code Upgrade Documentation

Building code upgrades are frequently missing from carrier estimates. We document every code-required item with specific code citations and submit supplements with the documentation carriers require.

Estimator on a follow-up call with a carrier about a supplement

Supplement Resubmission

When a carrier questions a supplement, we prepare additional supporting documentation and resubmit through the carrier's review process.

Estimator reviewing a claims-tracking dashboard on a laptop

Supplement Tracking

Every supplement tracked through our CRM from submission through final payment.

Why Choose Us

Why Contractors Choose Precision Estimates

10+ years of restoration billing experience. Volume-based plans built around your monthly claim activity.

1

Plans that scale with your volume

Volume-based plans with dedicated account setup and ongoing claims administration, sized to your monthly claim activity.

2

Daily carrier follow-up

Most billing companies follow up weekly. We follow up daily keeping your claims moving forward.

3

Former Xactimate instructors on staff

Our estimating team taught Xactimate. They know every line item and how to write documentation that carriers accept.

4

Storm season surge capacity

Pre-staffed for storm season. 24–48 hour turnaround maintained even during major CAT events.

Major Carriers Nationwide

We Work With Major Carriers

Billing experience with major carriers writing policies nationwide.

Citizens PropertyTravelersChubbThe HartfordLiberty MutualNationwideGEICOTower HillHeritage InsuranceAmicaPeople's TrustLloyd's of LondonUniversal PropertyGulfstreamSwyfftBankers InsuranceEdison Insurance
Common Questions

Frequently Asked Questions

The most common supplement documentation items include building code upgrades for roofing and structural work, overhead and profit, permit fees, equipment daily rates, labor burden, HEPA filtration, antimicrobial application, content manipulation, and temporary protective measures.
It varies significantly by claim type and carrier. On roofing claims, supplements commonly document $2,000 to $8,000 or more in additional line items. Water damage supplements often document $3,000 to $15,000. Fire and reconstruction supplements can document $20,000 or more.
We write supplements for claims of all sizes. Even smaller claims often have $2,000 to $5,000 in commonly missed line items.
Often yes. Timing depends on the carrier and the claim. Send us the claim file and we will tell you whether a supplement can still be submitted for the contractor invoice.
Related Services

More Ways We Support Your Operation

Missing Line Items? Let's Document the Supplement.

No obligation. Send us the carrier estimate and your scope, and we will show you which line items are missing or reduced. Most supplement reviews are completed within 24 hours.