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

Diagnostic guides

Practical workflows adapted to specific areas and investigation goals.

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guide 80documentation 61editorial-1.8 48evidence-first 48homeowner-guide 48self-help 48step-by-step 48attic 16basement 15roof 15workflow 13checking-indoor-humidity-patterns 10comparing-condensation-with-leakage 10documenting-a-water-stain 10investigating-rain-linked-symptoms 10mapping-a-musty-odor 10preparing-a-professional-handoff 10tracking-a-crack-over-time 10
guide

Documenting electrical warning signs without opening equipment

A safe, repeatable workflow for documenting electrical heat is a stop signal, not a diy clue hunt before opening or repairing the assembly.

guide

Building a rainfall, grading and discharge evidence map

A safe, repeatable workflow for documenting basement water starts outside the visible mark before opening or repairing the assembly.

guide

Tracking crack endpoints, width and adjacent function

A safe, repeatable workflow for documenting crack geometry is a movement record, not a verdict before opening or repairing the assembly.

guide

Building a repeatable drying record after a moisture event

A safe, repeatable workflow for documenting drying is a gradient through layers, not one surface number before opening or repairing the assembly.

guide

Isolating shower spray, drain and supply-water pathways

A safe, repeatable workflow for documenting tile is a finish, not the waterproofing layer before opening or repairing the assembly.

guide

Logging seasonal crawlspace moisture without chasing one reading

A safe, repeatable workflow for documenting why crawlspace moisture can peak in warm weather before opening or repairing the assembly.

guide

Mapping attic frost before thaw erases the evidence

A safe, repeatable workflow for documenting how one ceiling bypass creates a broad attic frost field before opening or repairing the assembly.

guide

Mapping efflorescence height, weather and drying direction

A safe, repeatable workflow for documenting white crystals show where water exited, not where it entered before opening or repairing the assembly.

guide

Reading window leaks from first wet edge to sill drainage

A safe, repeatable workflow for documenting why window sealant is not a drainage system before opening or repairing the assembly.

guide

Separating a cold line from moving outdoor air

A safe, repeatable workflow for documenting thermal bridge or air leak: read the difference before opening or repairing the assembly.

guide

Tracing a drain symptom across fixtures and vent paths

A safe, repeatable workflow for documenting what gurgling drains reveal about air and water pressure before opening or repairing the assembly.

guide

Tracing roof water by timing, slope and hidden travel

A safe, repeatable workflow for documenting why roof leaks appear away from the defect before opening or repairing the assembly.

guide

Using doors, fans and weather to map odor transfer

A safe, repeatable workflow for documenting odor location can be an airflow illusion before opening or repairing the assembly.