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Visual Match

Start with what it resembles.

Choose the closest visual fingerprint. Then add location, timing and weather in the Clue Engine. Resemblance alone never confirms a cause.

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All 32Attic 2Coatings 2Concrete 2Cracks 3Dark marks 2Deposits 2Drainage 2Electrical 1Floors 2Foundation 2Odors 2Sounds 3Stains 2Thermal 2Windows 3
Deposits

White crystals on masonry

Dry crystalline powder is a classic salt-transport pattern.

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Deposits

Soft white fluffy patch

Soft or fibrous material should not be assumed to be mineral salts.

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