Pebbledash render is a type of wall covering that consists of a mix of lime or cement and sand, onto which small pebbles or stones are thrown and pressed. It provides a rough texture and is used for its decorative appearance and to provide some protection against the weather, which in turn can help manage damp issues. The risk is render cracks where water can penetrate inside, putting walls at risk of damp and timber at risk of rot. Rainwater can reduce the insulating benefit, including cavity insulated walls.

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