Grey beard: Just thought this might be useful for you or anyone from time to time when desireing to sheet a curved surface. true sheeting can be bent around curves to a degree by wetting sheeting, ammonia, etc. However sometimes it may be compound curves. Not easily done by bending sheets. Therefore plank the area by by using narrow strips of desired thickness edge to edge. Similiar to the planked hull of a boat.Works very well and a plus is the glue adds to strength.