The weather resistance of an external wall can be improved by
A) Reducing the thickness of the wall
B) Using permeable materials in the wall
C) Applying a plaster finish to the internal surface of the wall
D) Installing insulation to the external surface of the wall
E) Incorporating a cavity in the wall
Correct Answer:
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Q2: The fire resistance of an external wall
Q3: The slenderness ratio for a cavity wall
Q4: Sulphate attack in external walls causes
A) The
Q5: One disadvantage to internally applied thermal insulation
Q6: The best way of improving the resistance
Q7: The external appearance of external walls can
Q8: Efflorescence in external walls is caused by
A)
Q9: The greatest eccentricity in an external wall
Q10: Polyethylene is a popular choice for a
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