Original sentence: Harling is a rough-cast wall finish consisting of lime and aggregate, notable for its rough texture.It's also used on contemporary buildings, where it protects against the wet Scottish climate and eliminates the need for paint.Many castles in Scotland have walls finished with harling
Edited sentence: A pigment can be embedded in the harled material, thus eliminating the need for repainting.Harling as a technique provides the surface of many Scottish castles, but it is also used for a variety of common everyday building types.In Scottish and Ulster usage, harling describes an exterior building-surfacing technique which results in a long-lasting weatherproof shield for a stone building.Long-lasting and practical, it well suits structures in the Scottish climate