Cavity Walling

2 things that facing bricks need to be is?

• Clean & Red
• Weatherproof & good looking
• good looking & yellow
•  weatherproof & hard

When would you use fair faced blocks ?

• In the foundations
• When you want to
• When you need to joint them up
• When you can afford it

Which component works as a moisture barrier?

• BWK
• FDN
• DPC
• CL

What is a wall ties main job within a cavity wall?

• Strength
• Durability
• Insulation
• Damp proofing

Look at the picture and decide where you would place an air brick

• Above a suspended concrete floor
• Below a suspended concrete floor
• Above a window
• Under a window

When should you check the dimensions of your cavity wall?

• Before building it
• When you buy the land
• When your mate tells you to
• When you finish

If you have just taken delivery of 8000  bricks, what should you check for?

• If the driver has a license
• Time of delivery
• Quality
• Quantity

What is the main purpose of the tool shown?

• Jointing up
• Pointing up
• Spreading mortar
• Cutting bricks

Which 2 tools do we use for providing a half round joint & checking for plumb?

• Level & trowel
• Trowel & level
• Pointing trowel & level
• Jointing iron & level

What's the height of a DPC above ground level?

• 75mm
• 100mm
• 125mm
• 150mm