Damp Proof Course

(4 products)

When moisture threatens your build, proper damp proof course & membranes aren't optional, they're essential. The absence of damp proof coursing (DPC) and damp proof membranes (DPM) can result in deterioration of walls and foundations due to excess moisture and rising damp, leading to poor insulation, slip hazards, and other issues.

Related collections

Frequently Asked Questions

What is a Damp Proof Course (DPC) used for?

A Damp Proof Course is a waterproof membrane installed in walls to prevent rising damp from the ground affecting masonry and internal walls. It’s essential in most building projects.

Is Visqueen Damp ProCourse suitable for trade use?

Yes - Visqueen is a premium, high-quality DPC used widely by builders and professionals. It’s flexible, easy to cut, and complies with building regulations.

What’s the difference between DPC and DPM?

DPC (Damp Proof Course) is installed vertically or horizontally in walls to stop rising damp. DPM (Damp Proof Membrane) is usually laid under concrete floors/screeds to block ground moisture.

Do I need damp proof course for new builds or extensions?

Yes - Building Regulations require a continuous DPC in all new external and internal walls to protect against rising damp and ensure long-term structural integrity.