Cavity of a cavity wall should start near ground level
Cavity of a cavity wall should terminate near eaves level of sloping roof
Cavity of a cavity wall should terminate near coping of flat roof with parapet wall
All the above
Answer is Right!
Answer is Wrong!
The correct answer is D. All the above.
A cavity wall is a type of wall that consists of two leaves of masonry with a cavity between them. The cavity is filled with insulation, which helps to reduce heat loss and improve energy efficiency. The cavity also helps to protect the wall from moisture and pests.
The cavity of a cavity wall should start near ground level to prevent moisture from rising up the wall. The cavity should also terminate near eaves level of sloping roof to prevent water from running down the wall and into the cavity. The cavity should also terminate near coping of flat roof with parapet wall to prevent water from running down the wall and into the cavity.
Here are some additional details about each option:
- Option A: Cavity of a cavity wall should start near ground level. This is to prevent moisture from rising up the wall. Moisture can cause the wall to deteriorate and can also lead to mold growth.
- Option B: Cavity of a cavity wall should terminate near eaves level of sloping roof. This is to prevent water from running down the wall and into the cavity. Water can cause the wall to deteriorate and can also lead to mold growth.
- Option C: Cavity of a cavity wall should terminate near coping of flat roof with parapet wall. This is to prevent water from running down the wall and into the cavity. Water can cause the wall to deteriorate and can also lead to mold growth.