Follow this step-by-step guide to correctly build extension foundations up to damp-proof course (DPC) level. Learn about excavation, concrete pouring, brickwork, and damp-proofing to ensure a strong ...

Rising damp usually occurs in masonry walls because of the failure or absence of a damp-proof course, although poor sub-floor ventilation and bad site drainage can also be contributors.

A damp proof course is used to protect homes but rising damp can occur if the course is ineffective or was never fitted to begin with.