7. BTTB Parapet walls
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7. BTTB Parapet walls
55. BTTB Thickness of walls and differences in ground levels
53. BTTB Minimum separation distance from combustible materials
52. BTTB Setting out and constructing curved on plan
51. BTTB Dog toothing
50. BTTB Special bricks forming angles
16. BTTB Tumbling In
48. BTTB Constructing a quadrant
47. BTTB Constructing a circular ramp
46. BTTB Raking cut and battered brick on edge
45. BTTB Quarter bond to jamb and head options
44. BTTB Forming an opening in an existing wall
43. BTTB Extending a cavity wall using wall starter kits
42. BTTB Decorative quoins
41. BTTB Constructing a brick bullseye
40. BTTB Setting out and constructing gothic arches