Question
Download Solution PDFTo comply with current building regulations, the minimum cavity width in an external wall is ____
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe cavity size should be in between 40 to 100 mm. The internal and external leaves should have at least 10 mm thick.
∴ The most appropriate answer would be 50 mm.
Important Points:
Advantage of having cavity in external walls:
1. To give better thermal insulation. It is because of the space provided between two leaves of cavity walls is full of air and reduces heat transmission into the building from outside.
2. Moisture content in outer atmosphere is does not allowed to enter because of hollow space between leaves. So, prevent dampness.
3. They also act as good sound insulators.
Last updated on Mar 27, 2025
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