Spectracide Pruning Seal Helps Protect Trees And Smaller Plants From Diseases That Can Enter Through Pruned Areas. It Also Effectively Seals And Waterproofs Clay Pots To Eliminate Mineral Stains, Along With Wooden Planters, Rain Gutters, Roof Flashings And Small Sections Of Asphalt Driveways. The Waterproof Aerosol Spray Can Also Be Used To Coat The Underside Of A Lawn Mower Deck To Protec From Debris Damage. To Use Spectracide Pruning Seal, Shake Well And Hold Can Upright 6-9 In. From Area To Be Sprayed. Spray In Short Bursts To Prevent Dripping And Runoff. Clean Nozzle After Use. When Treating Damage Or Decayed Lims, Cut Back To Sound Wood First. When Sealing The Inside Of Planters, Spray Lightly To Prevent Dripping. When Sealing Small Cracks Or Seams, Make Two Application, Apply The Second Coat After The Frist Has Completely Dry. See Label For Complete Direction.