A note before we start. We are roofers, not insurance agents, adjusters, or attorneys. Nothing here is legal or coverage advice, and we are not promising any specific supplement amount, approval, or claim outcome. Your policy, your carrier's process, and your specific situation control what actually happens. Ask us, ask your agent, and ask your carrier for anything specific to your policy.
Homeowners are often surprised to learn that the number an adjuster writes after the first visit isn't necessarily the number the job gets built to. That gap between the initial estimate and what the job actually requires is what the industry calls a supplement, and it's a normal, documented part of how a storm claim can move from a first look to a completed roof.
What a Supplement Actually Is
A supplement is a request to a carrier to add cost items to a claim that weren't included in the adjuster's original estimate, based on additional documentation. It isn't a renegotiation or a dispute for its own sake, it's a formal follow up submitted when there's a documented reason the original scope was incomplete. Whether a supplement is approved, and for how much, is entirely the carrier's call, not ours.
Why the First Number Is Often Incomplete
An adjuster's first visit is a visual inspection, often from the ground and a walk of the roof, done in a limited window of time. Some damage and some scope items simply aren't visible until work is underway. Deck condition underneath the shingles, for example, isn't something anyone can fully assess without removing the old roofing. That's one of the most common reasons a first estimate ends up short of what the job actually needs.
What We Document to Support a Supplement
We photograph and document a roof's condition as a standard part of every job, not just when something looks like it might need a supplement. If a tear off reveals deck damage, or if code items, flashing conditions, or ventilation components turn out to need more work than the original scope accounted for, we document it the same way we document everything else: photos, notes, and a clear record of what was found and when.
The Supplement Request Itself: What Happens
Once there's documentation supporting additional scope, a supplement request goes back to the carrier through the claims process, referencing the original claim. This is the same kind of insurance paperwork and adjuster coordination we already handle as part of working a storm claim with a homeowner, we're not asking a customer to manage a separate process on top of everything else.
What We Won't Promise
We won't tell a homeowner a supplement will be approved, tell them what dollar amount to expect, or guarantee a timeline for how fast a carrier will respond. Every policy and every carrier is different, and outcomes are theirs to decide, not ours to predict. What we can promise is that if the documented condition of your roof supports additional scope, we'll document it and submit for it, rather than quietly building to a number we know is short.
Where We Fit In
Our job in this process is documentation and craft, not claims adjusting. We inspect thoroughly, document what we find at every stage including after tear off, and handle the paperwork and carrier coordination that goes with a supplement request. If you're mid-claim and the first number doesn't match what your roof actually needs, ask us what we're seeing and we'll walk you through it.
In the Middle of a Claim and Need a Second Set of Eyes?
We inspect, document, and coordinate insurance paperwork across the greater St. Louis area, including Chesterfield, Ladue, Frontenac, Town and Country, Clayton, and Kirkwood.
Or call us directly: (314) 220-2333
Kaleb
Kaleb owns and runs Keys Roofing, serving the greater St. Louis area with roofing, gutter, and downspout work. The company is fully licensed and insured, and Kaleb is on job sites personally, inspecting, documenting, and standing behind the crew's work.