Chalk Marks and Damage Photography Practices

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Small marks left by hail or granule loss can be difficult to see clearly in a photograph taken from a normal viewing distance, particularly on darker shingle colors where impact sites blend into the surrounding surface. To make documented findings visible and countable in photographs, many inspectors mark confirmed damage sites directly on the roof using chalk, keel crayon, or lumber marking paint, typically circling each impact and sometimes numbering the marks sequentially so that a photograph can be cross-referenced against a written count or diagram.

The practice serves a specific evidentiary purpose beyond simple visibility. When damage sites are marked and numbered before photographing, another party reviewing the photographs later, whether an adjuster, opposing appraiser, umpire, or attorney, can verify that the count referenced in a report corresponds to identifiable physical locations on the roof rather than a general impression. This matters particularly in disputes where the number and location of confirmed impacts within a test square or across a slope becomes a point of disagreement, since marked photographs provide a more specific record than narrative description alone.

Good photographic practice around marking generally includes a sequence of shots at different distances: a wide overview showing the marked area in context of the full slope or roof, a medium shot showing the test square boundary or general cluster of marks, and close-up shots of individual marked sites showing enough detail to distinguish functional damage from granule displacement. A scale reference, such as a ruler, coin, or marked measuring tape, placed near a close-up shot helps establish the actual size of an impact site, since photographs alone can distort apparent scale depending on lens and distance. Consistent framing across all marked sites, using a similar distance and angle for each close-up, also makes it easier to compare individual impact sites against one another later, rather than relying on inconsistent photographs taken at varying zoom levels.

Weather and timing considerations affect this practice as well. Chalk and crayon marks can wash away in subsequent rain, fade under UV exposure, or become difficult to distinguish from staining after enough time passes, so photography is typically completed promptly after marking rather than delayed to a later date. Wind can also disturb loose granules that were part of the original documentation, which is one reason inspectors try to complete counting and photographing in a single site visit when conditions allow. In some cases, a second round of photography is completed after initial marking to confirm nothing has shifted or washed away, particularly if inclement weather is expected between the marking and the final review of the site.

Marking and photographing damage produces a documented physical record intended to be reviewable by others who were not present at the inspection. It does not itself resolve questions about causation, timing relative to a specific storm date, or coverage, all of which depend on additional evidence and the terms of the applicable policy, matters that remain with the parties rather than the person documenting the roof.

This article is provided as general education on the appraisal process. It is not legal advice, and procedures vary by state and by policy.

Russ Lis is an independent property insurance appraiser and umpire in Minnesota who serves clients nationwide. Contact Appraisal Resolution.