Damp Proof Course

The Public Health Act of 1875 introduced the requirements for a damp proof course in walls to prevent rising damp. External ground levels should be a minimum of 150mm below the damp proof course to avoid the risk of ground moisture bridging the damp course and causing dampness. If external rendering is taken down to ground level or the ground is raised to the perimeter of the property (for example raising flower beds or paths) if a damp proof course...

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