Most forms of deterioration that affect old buildings in the United Kingdom are attributable to the presence of excessive moisture. Dampness promotes timber decay, the corrosion of metals and even structural collapse. It mobilises soluble salts that harm masonry and increases frost damage. Damp fabric also reduces thermal efficiency. Dampness inside buildings spoils plasterwork, decorations and furniture, and creates conditions that are uncomfortable or harmful to the health of occupants.
This Technical Advice Note explains the nature and causes of dampness together with its diagnosis, control and prevention in buildings predating cl 919. Despite dampness problems being commonplace, their cause is frequently misdiagnosed and ineffective remediation undertaken. Unnecessary treatments are often carried out, including the insertion of damp-proof membranes to create barriers to moisture.
Action to address basic maintenance or lifestyle issues is usually more appropriate, as well as measures that respect the need for old buildings to ‘breathe:
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A deep dive into the history, common issues, and maintenance of cast iron rainwater goods, with a focus on traditional Scottish architecture; cast iron rainwater goods have been a staple of Scottish architecture for centuries, prized for their durability, strength, and aesthetic appeal. These qualities are particularly important in Scotland, where the weather can be harsh and unforgiving. They are a testament to the craftsmanship and ingenuity of a bygone era, adding a touch of elegance and historical significance to buildings across the country.
Cast iron’s journey in Scottish architecture began in the 18th century. Its resilience and ability to withstand the challenging Scottish climate quickly gained popularity. The relatively low production cost of cast iron made it a popular choice for residential and commercial buildings, contributing to its widespread adoption.
The 19th century marked the pinnacle of cast iron rainwater goods in Scotland. This era saw the construction of magnificent Victorian buildings adorned with elaborate cast-iron rainwater systems, showcasing decorative hoppers, rhones (the Scottish term for gutters), and leader heads (downpipes). These features served a practical purpose, channelling rainwater away from the building and enhancing the architectural beauty of the structures.