Supplements: When the Crew Finds Damage the Estimate Missed

The insurance estimate was written from an hour on your roof. The crew then spends a day inside it. When tear-off reveals what the estimate could not see, the gap is handled by a supplement, and how well it is documented decides whether the carrier pays it or you do.

Why estimates miss things

Nobody can see decking through shingles. An adjuster scopes what is visible: surface damage, slopes, penetrations, and standard components. What hides underneath (soft decking, rotted fascia behind gutters, a previous owner's shortcut layer) only shows up when the roof comes off. Estimates also sometimes miss visible things: a slope, the correct waste factor on a cut-up roof, or components that local code requires with a replacement. None of this means anyone cheated; it means a one-hour scope met a full day of reality.

What commonly gets supplemented

• Decking. The big one. Plywood or plank decking that is soft, delaminated, or rotten must be replaced before anything goes over it.
• Code-required items. Georgia jurisdictions commonly require drip edge and ice-and-water barrier placement per current code when a roof is replaced. Policies with code coverage pay for these; the supplement documents them.
• Missed scope. A slope the estimate skipped, underestimated flashing work, or ventilation components the roof actually has.
• Steep, high, or access charges that the software supports but the original scope did not include.

How the process actually works

Photograph everything before it disappears. The unbreakable rule. Rotten decking gets photographed in place, with context, before new decking covers it. A supplement without photos is a request; with photos it is a record.
Document in the carrier's format. Supplements are line items in the same pricing software the adjuster used. Submitting them in that language, with photos keyed to line items, is the difference between a two-week approval and a two-month argument. This is staff-adjuster territory, and it is a big part of why we keep one.
The work continues. The crew does not stop and wait; the roof gets built right, the documentation flows to the carrier, and the approved supplement adjusts the claim total and, where applicable, the recoverable depreciation.

What it means for your wallet

A properly documented, covered supplement costs you nothing extra: it moves money from the carrier to the actual cost of the repair. What costs homeowners money is the other path: a contractor who skips the documentation and either buries the problem under new shingles or hands you a surprise invoice. Ask any roofer, before you hire them, how they handle decking discoveries and supplements. The answer tells you a lot.

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