King William's College, Castletown

Before: Damaging sand and cement pointing trapping water.

External walls to be repointed in sand and lime.

White streaking caused by leeching of CaCO₃ from bedding mortar, trapped by sand and cement pointing.

Gable end to be pointed in sand and lime.

Phase 1 of maintenance, sand and lime pointed.

Phase 1 walls finished.

Wall pointed in sand and lime.

After: Sand and lime pointing.