1. Unit 1 Lesson 17,18 &19
Walls

2. Lesson 17 Types of wall finishes and their advantages and disadvantages:
rendered blockwork
facing brickwork
pointing (bucket handle/tooled, recessed, weathered, flush).

4. Wall finishes: pointing
Facing brickwork is finished with various types of joints:
bucket handle/tooled
recessed
weathered
flush.
Teacher/tutor notes (PS 9):
Draw the different joint profiles using an interactive whiteboard. Ask learners to sketch them based on your demonstration. As a revision exercise, you could then mix up the profiles and ask learners to identify them.
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5. Wall finishes: Pointing

6. Lesson 18 The materials used in the construction of walls:
thin joint masonry
lightweight thermal blockwork
the quality of facing bricks
the types of mortar and quality to maintain structural integrity and load distribution.

8. Thin Joint Masonry with Lightweight blocks

9. Lesson 19 Types of wall openings and their functions:
to provide ventilation
to provide light
to improve aesthetics.

10. The components of a wall opening and their functions:
lintel
sill
window
door
threshold
damp-proof course
cavity trays
cavity closers
weepholes.

12. Cavity Closer

13. Cavity Tray

14. Detailing around wall openings, including the detailing of:
heads
thresholds
sills and jambs
wall-tie spacing.
The functions of detailing:
to prevent damp transfer
to ensure continuity of insulation
to maintain structural integrity
to distribute loads.

15. Detail around wall openings: