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  Walls and roofs exceeding 45 metres long require an expansion joint to allow for differential movement between structures and cladding. One expansion joint is required up to 75m woth one firther expansion joint for every 35m over 75m.Lengths: 1800mm, 3000mm
  Closes expansion joints at eaves.Lengths: 75mm
  Closes expansion joints at ridges where adjustable ridges have been used.
  Closes expansion joint at ridge when cranked ridge sheets are used.Available in 1300mm Girth only.

To suit roof pitches:
10o, 12.5o, 15o, 17.5o, 22.5o