1. Conserving Historic Buildings Why do we bother?

2. Why are historic buildings important anyway?

7. Conserving Historic Buildings Materials: Stone & Timber

8. How were buildings built? Medieval manuscript showing masons at work

9. How many different types of masonry?

10. Where does stone come from? Need to find a suitable source ~ quarry / delph

11. How was it transported? Horse and cart / steam engine / railway / canal

12. Factors affecting the choice of stone Durability

13. Factors affecting the choice of stone Where and how it is to be used

14. Factors affecting the choice of stone Appearance ~ colour, pattern, finish

15. How were buildings built? Felling and converting timber © National Museums Scotland. Licensor www.scran.ac.uk.

16. Timber Species Sycamore ( Acer pseudoplantanus ) Ash ( Fraxinus excelsior ) Beech ( Fagus sylvatica ) Yew ( Taxus baccata ) Oak ( Quercus pedunculata ) Pitch pine ( Pinus caribaea ) Elm ( Ulmus procera ) European redwood ( Pinus sylvestris )

17. Factors affecting the choice of timber Durability

18. Factors affecting the choice of timber Purpose ~ structure, furniture, fittings © Victoria and Albert Museum, London

19. Conserving Historic Buildings Why do buildings decay?

20. Surely old buildings last forever…

21. Why do buildings decay? Poor construction and/or poor quality materials

22. Why do buildings decay? Inappropriate repairs or wrong choice of materials

23. Why do buildings decay? Plants and animals…

24. Why do buildings decay? Weather and the environment

25. Why do buildings decay? Vandalism

26. Why do buildings decay? Neglect

27. Conserving Historic Buildings Conservation and Repair

28. A philosophy of conservation Guardianship

29. A philosophy of conservation Preventative maintenance Video Clip

30. A philosophy of conservation Understanding the building fully

31. A philosophy of conservation Preserve historic evidence

32. A philosophy of conservation Respect for age

33. A philosophy of conservation Minimum intervention

34. A philosophy of conservation Facadism

35. A philosophy of conservation Well designed additions and alterations

36. A philosophy of conservation Responsible methods of repair

37. A philosophy of conservation Using the right materials

38. A philosophy of conservation Craftsmanship