Damp proofing at its simplest is preventing walls from acting like a sponge and drawing water up from the ground (Rising Damp). Modern buildings are constructed with a tough Damp Proof Course (DPC) sandwiched between the bricks right around the house just above the foundations.

This damp course acts as a physical barrier prevents damp from rising up the walls. Unfortunately however many older buildings never had a damp course or the materials originally used have broken down, allowing dampness to push through.

This is where a Chemical DPC (Damp Proof Course) comes in. In simple terms you drill bore holes in the wall and pump in a chemical fluid which reacts with the moisture to form a permanent water barrier.

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