Printed from: https://conservationhandbooks.com/dry-stone-walling/variations-in-walling/specialist-building-techniques/
Watershot In some regions wallers stress the need to lay stones at a slight angle in order to shed water and prevent it running into the wall. This avoids water gathering in the stonework, where it could disrupt the stonework by freezing and swelling. This technique, called watershot or weathershot, works best with small, flat...