Damp-Proofing Course (Dpc) Expert

+1

Kayan Rufin gini

Nau'i

Sinadarin yin kwalta

Kayan Rufin kwano

4mm

Kaurin Rufin Kwano

100cm

Tsawon Faifai

100cm

Fadin Faifai

Adireshin dakin ajiya

Jiha Lagos • Ojota

3 Ogudu Road, Ojota

08:00-18:00

Defining DPC and DPM A Damp-Proof Course (DPC) is a horizontal (and sometimes vertical) protective layer, typically placed in a wall above ground level to stop moisture rising from the foundation or external soil into the wall structure. It often appears as a thin layer of impervious material—like bitumen polymer or plastic—sandwiched within the mortar line. Meanwhile, a Damp-Proof Membrane (DPM) is used to cover larger surface areas, primarily floors, and sometimes walls. Think of it as a sheet or film laid beneath or across the building slab or screed to block water migrating upwards from the ground. Some DPMs can also run up walls, forming a continuous “bowl” that ensures water beneath the slab can’t enter the building fabric. Both solutions work on the same fundamental principle:

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