Author

Cornish Lime

About the author

Tackling Damp in an 18th-Century Property

About the Property

During the late 18th century, whilst Charles Rashliegh was in the process of constructing Charlestown Harbour, he also built Duporth Manor. The manor was constructed with a Gate House, which is now known as Duporth Lodge.

Issues

Duporth Lodge was suffering from low-level damp which was causing the stone to deteriorate. This was due to inappropriate non-breathable cement-based materials previously used to point the stonework, and insufficient drainage.

Solutions and Materials

To maintain the breathability of the building, we removed the existing pointing applications and repointed the stonework using an NHL 2 and CLS 70 mortar. Our works were completed with the introduction of an appropriate drainage system.

Works were carried out by Leslie Cornell Building Restoration Ltd

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