7. Provide a vertical dam

1. Calculate the brick size 
2. Calculate the course size 
3. Choose the right mortar 
4. Determine the mortar colour 
5. Tilt the bricks 
6. Damp proofing below ground level 
7. Provide a vertical dam 
In order to prevent draft and water seeping in along the windows and posts, it is best to place some foil and possibly a draft strip against the window.
8. Use closers 
9. Joists and lintels 
10. Expansion joints 
11. Garden or freestanding walls 
12. Flat roofs