12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Deterministic building intelligence

Follow the clues.
Reduce the uncertainty.

HouseSymptoms ranks likely causes from timing, location, weather and distinguishing evidence. The score is a transparent fit index—not a remote diagnosis.

21 diagnostic profiles31 failure fingerprints32 visual patterns
Active regional intelligenceGlobal baselineNo regional layer is active. Results use the global knowledge graph.
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Active profile

Water or staining around a window

Separate exterior flashing failure, sealant defects, condensation and wall drainage problems by weather direction and location.

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What weather triggers it?

Rain direction and duration identify exterior entry paths.

Transparent cause ranking

What currently fits—and why

Fit index compares this profile’s evidence. It is not a probability and does not prove a hidden condition.

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