What is damp proofing and what does DPC mean?
Chemical damp proofing is at its simplest a way to prevent walls from drawing water up from the ground through a sponge-like action; a process known as rising damp. To combat this, modern buildings are constructed with a tough Damp Proof Course (DPC) sandwiched between bricks all around the house just above the foundations.
This damp proofing course forms a barrier, preventing damp from rising up the walls. Unfortunately, however, many older buildings did not have a DPC applied during their construction or the materials originally used have broken down. In either case this allows dampness to penetrate through.
Chemical Damp Proofing Course
This is where a Chemical DPC comes in. In simple terms, bore holes are drilled into the wall through which a chemical fluid is pumped in, reacting with the moisture to form a permanent water barrier.
Kingfisher Building Products stock a range of products essential for any damp proofing course; everything from chemical damp proof injection fluids and creams, to damp proofing plasters and renders, and even drills, injection pumps and nozzles.