(roofing) A method of valley construction in which the steep-slope roofing on both sides are trimmed along each side of the valley, exposing the metal valley flashing.
Open-valley Sentence Examples
It lies in the open valley of the Trent, at a short distance from the river, and near the important Trent Junction on the Midland railway system.
It lies on the river Weaver, in the upper part of its flat, open valley.
Being built midway between the Sierra de Priego and Sierra Parapanda, and commanding the open valley between these ranges, it became one of the chief frontier fortresses of the Moors in the 15th century.