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WorksheetsCavity Walling
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of the outer leaf of a cavity wall?
To insulate the building
To act as the building's primary weather-resistant barrier
To provide structural support
To decorate the exterior of the building
Which material is NOT mentioned as a common insulation material for cavity walls?
Cotton
Blown-in Insulation
Rigid Foam Boards
Mineral Wool
What is the typical range for cavity wall thickness?
100mm to 150mm
150mm to 200mm
250mm to 300mm
350mm to 400mm
What is the purpose of weep vents in cavity walls?
To connect the inner and outer leaves
To provide air for insulation materials
To allow moisture to drain out
To allow light into the cavity
What is a disadvantage of cavity wall insulation?
Decreases the building's structural stability
Can lead to reduced insulation effectiveness if improperly installed
Increases the risk of fire
Makes the building colder in winter
What is the role of wall ties in cavity wall construction?
To connect the inner and outer leaves
To add decorative elements to the wall
To prevent moisture from rising
To insulate the cavity
Which of the following is NOT a purpose of cavity walls mentioned in the text?
Weather Resistance
Thermal Insulation
Sound Insulation
Fire Resistance
What is the first step in building a cavity wall?
Building the Cavity
Adding Insulation
Constructing the Inner Leaf
Foundation and Footings
What is the main advantage of cavity wall insulation?
Improved Energy Efficiency
Increased wall thickness
Reduced construction time
Enhanced exterior appearance
What material is used for a damp-proof course (DPC) in cavity walls?
Metal
Bitumen or plastic
Wood
Glass
