Apply this pruning paint after severe tree cuts. Provides protection from fungus and, other diseases as well as insect infestation. It is designed for use on all types of tree wounds and pruning stubs. Pruning Pro can be used to seal small cavities and also as an overcoat for tree wraps. Pruning Spray is excellent for treating damage from lightning strikes. The thick Black Rubber like seal will not sag, crack or peel. Pruning Spray helps trees and shrubs recover naturally from pruning. Pruning Pro is safe, fast, convenient and easy to use. It dries into a non-sticky pliable film.