The main purpose of render is typically to improve external appearance, keep water out and increase resistance to weather.
So render should only be applied to an existing building if the walls are sound and free of damp.
The main purpose of render is typically to improve external appearance, keep water out and increase resistance to weather.
So render should only be applied to an existing building if the walls are sound and free of damp.
Rendering can help to stop damp as it forms a protective waterproof barrier on the external walls, repelling water and preventing water ingress in future.