RECLADDING A ROOF
Principles DO
Tips for owners The ability to lay and repair slate properly requires training, practice and the right tools. Look for a roof slater with experience in conservation work. Learn more Technical Note: Conserving Roofs, Queensland Department of Environment and Heritage, 2014, qld.gov.au/__data/assets/pdf_file/0024/67119/ technical-note-roofing.pdf
– Undertake localised repairs to prolong the life of your roof and retain original material (see page 20) – Re-use original material where possible. Take care when removing tiles or metal sheets, and refix using traditional methods and fastenings. Where a combination of older and newer material is used, consider using older material on more visible slopes – Match the design and material of original fastenings (for example, copper wire) and cappings (such as lead flashing or terracotta bedded in mortar) – Choose replacement materials that are as close as possible to the original and use second-hand materials where available. Issues to consider when choosing a replacement material include: • Corrugated metal: material, profile (pitch and depth), colour, sheet length • Terracotta tiles: colour, shape, glazing • Slate: colour, dimensions, performance data – Reinstate features of the original roof such as roof vents, gablets, roof cappings, rainwater heads and decorative gutter elements. If originals are in place, protect them during construction and repair or reinstate them
Things to avoid DO NOT
– Reclad a roof in modern materials (such as Colourbond or Zincalume)
– Add new details that were not part of the original construction (such as new decorative features or dormer windows)
Reinstatement of a roof should use materials that are as close as possible to the original.
MAKING CHANGES TO YOUR HERITAGE PROPERTY
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