hollow wall


hollow wall

[′häl·ō ′wȯl] (building construction) A masonry wall provided with an air space between the inner and outer wythes.

cavity wall, hollow masonry wall, hollow wall

cavity wall An exterior wall, usually of masonry, consisting of an outer and inner withe separated by a continuous air space, but connected together by wire or sheet-metal ties. The dead air space provides improved thermal insulation.