The detail.
The difference.

Low-level wall damage — After

Rain-exposed wall — After

Window condensation — After

Ceiling stains — After

Parapet wall staining — After

Gutter overflow marks — After

Downpipe and wall base — After

Salts on exposed brick — After

Shower junction concerns — After

Bathroom ceiling spotting — After

Moisture beneath a sink — After

Staining beneath a balcony — After

Ponding on a flat roof — After

Damp on a retaining wall — After

Raised ground at a house wall — After

Cracking near a window — After

Window ledge staining — After

A shaded interior corner — After

Moisture by a doorway — After

An adjoining planter wall — After