Puzzled Surveyors 2

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Across
  1. 3. for example mortar around pots on a chimney
  2. 5. an essential feature which should be used in large expanses of masonry walls
  3. 7. a traditional method of securing the base of a hip rafter
  4. 9. used to finish the eaves of a building
  5. 12. alternate courses of headers and stretchers in a wall
  6. 13. a decorative roof window with a curved roof
  7. 14. fdn where the trench is completely filled with concrete
  8. 15. blue asbestos technical term
  9. 16. a type of non trad construction comprising slotted concrete panels
  10. 20. the side of a dormer window
  11. 21. used in flat roof construction to provide an adequate slope
  12. 22. a modern toilet where the cistern sits on top of the pan
  13. 24. an architectural term used to describe buildings built between 1901 and 1910
  14. 25. term describing the part of a roof for example just above the windows
  15. 26. traditional type of material used for internal walls of older properties
  16. 27. bwk pattern often at eaves level where bricks are laid to show their corners
Down
  1. 1. a term used eg where metal fittings corrode and expand
  2. 2. a roof construction member which often has braces forming a “W”.
  3. 4. an architectural term often used to describe traditional timber frame buildings
  4. 6. pipe fitted to a modern boiler discharging to a gulley
  5. 8. a safety feature in an electrical installation
  6. 10. found inside the sash box of a sash window
  7. 11. two flights of stairs running in opposite directions with a half landing between them
  8. 17. alternate flush and protruding headers in decorative brickwork
  9. 18. a type of foundation system
  10. 19. decorative bracket often to an internal arch in Victorian properties
  11. 20. white asbestos technical term
  12. 22. a very old type of wall material
  13. 23. decorative timber sections to lower halves of internal walls
  14. 26. salts in rising dampness