Building the corners first
Building and Construction · Grade 10 · about 40 minutes
Why corners are built up before the wall between, how they are racked back, and the line strung between them.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- What a foundation wall is
- Natural stone for foundation walling
- Concrete blocks
- Burnt clay bricks
- Selecting materials for foundation walling
- Mortar and what it does
- Mixing mortar
- The mason's hand tools
- Gauge rod, plumb bob and the rest of the kit
- Why bonding is necessary
- Stretcher bond
- English bond and Flemish bond
- Bonding at a corner
- Junctions and stopped ends
- Transferring the setting out into the trench
- Building the corners first
- Building to the line
- The four checks on every course
- The damp proof course
- Backfilling around the foundation wall
- Defects in foundation walling
- Building a foundation wall: the whole process