Specialist resource

Exposure planner

Map the conditions you can observe

Build a set of next questions. No location score or greying deadline is calculated.

Area / stationLight exposureWater exposureAppearance goal

Create separate observation stations for sheltered and exposed faces.
Keep rain-wet photographs separate from dry comparisons.
Agree acceptable variation before using one reference image as an appearance target.

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VISUAL REFERENCE

Conceptual exposure map, not a colour forecast. Record light, wetness and finish history at each named station.

Grey is an appearance change, not a complete condition report.

Map the pattern before treating the whole surface.

Use site-specific exposure notes rather than a compass label alone.