تعريف closed cut valley في الإنجليزية الإنجليزية القاموس.
A method of valley application in which shingles from one side of the valley extend across the valley while shingles from the other side are trimmed back approximately 2 inches from the valley centerline
a method of valley application in which shingles from one side of the valley extend across the valley while shingles from the other side are trimmed back a few inches from the valley centerline