Abstract: Flashing includes an elongate body for overlying a member, and legs extending for at least part of the body length and protruding from either side of the body. The flashing has a configuration prior to overlying the member whereby one or both legs is/are biased towards a respective member side when positioned thereat. The legs may be detachable from the body along a line of severance. In addition, wings can extend out from either side edge of the body to extend for at least part of the body length. One, some or all of the wings can be detachable from the body along a line of severance.