Why do cavity walls need to be air tight?
L1 Cavity - Air Bricks and Ties

Quiz
•
Construction
•
12th Grade
•
Medium
Used 6+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To control carbon emissions
To keep vermin out
To hold the insulation in place
Prevent condensation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify this brick
Filter Brick
Flowing Brick
Air Brick
Core Brick
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are air bricks used on cavity walls?
To provide air flow to the cavity
To provide air flow to suspended floors (dead spaces)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many bricks in a square metre?
40
50
60
70
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many blocks in a square metre?
5
10
15
20
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What material is a wall tie made from?
Mild steel
Galvanized steel
Reinforced steel
Stainless steel
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the minimum distance a wall tie bedded?
25mm
35mm
40mm
50mm
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