A wall formed from two thicknesses of masonry with a space between them.
- While a wall with a 19 millimetre air space cannot be a cavity wall, it must perform as one.
- The brick masonry in these locations is designed with a cavity wall, so why is it necessary to protect the face of the sheathing?
- In a cavity wall, water that penetrates the exterior wythe is prevented from reaching the interior wythe because of the open air space between the two.
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Syllabification: cav·i·ty wall
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