swept valley
A roof valley covered with slates, tiles, or shingles that are in continuous courses with the adjoining roofs, as opposed to an open valley. Also known as California valley. See also slate-and-a-half. (Bucher, 1996)
A roof valley covered with slates, tiles, or shingles that are in continuous courses with the adjoining roofs, as opposed to an open valley. Also known as California valley. See also slate-and-a-half. (Bucher, 1996)