Thompson's Water Seal TH.041800-18 Wood Sealer, Aerosol Prevents Water Damage Helps Maintain Woods Natural Color Coating Resists Mildew and UV Damage Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood 0 He is named after E.A. Thompson  Edward Addis Thompson, the man who founded the company and invented the original Thompson&#039;s WaterSeal formula Addis has appeared on every can of every Thompson&#039;s WaterSeal product for decades  but he just made his TV debut in 2014 Favorite Singer: Seal If He Could Do Any Other Job: Navy Seal Favorite Vacation Spot: Seal Beach, CA Favorite Snack: Anchovies  hold the pizza