A classification of a varnish. Varnishes are a blend of "unreacted" and "reacted" linseed oil, the latter more commonly known as alkyd resin. A long oil varnish has a higher percentage of "unreacted" or natural oil. The characteristics of a long oil varnish are typified by a softer, more flexible film, such as spar varnish.

Condition in which the lane conditioner is applied from the foul line farther than normal. There is no magic standard, but 35-40 feet or more of application is often considered long oil. It can be a more difficult condition in that there will be less backend to generate pocket entry angle.