Other roof issues

Parapets cause big problems for Georgian houses. When assessing parapets, the question to ask is: where does the water go?

Parapets often flood, and the internal drainage arrangements mean that blockages in the roof space can flood internal rooms.

An example

A poorly detailed parapet has caused the wall below to become saturated. The sketch shows all the possible entry routes and, below, a scheme for improving the detailing.