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In the early 1920’s, polymer chemist Edward Addis Thompson developed a formula that protected buildings from exterior water damage. His discovery became known as Thompson's WaterSeal Clear Multi-Surface Waterproofer and initially was used by architectural and construction firms for concrete applications. Addis has been appearing on Thompson's WaterSeal packaging for more than 60 years. He is named after E.A. Thompson – Edward Addis Thompson, the man who founded the company and invented the original Thompson's WaterSeal formula. Addis has appeared on every can of every Thompson's WaterSeal product for decades – but he just made his TV debut in 2014 Thompson's WaterSeal Clear Multi-Surface Waterproofer - Provides proven waterproofing protection for wood, concrete and brick. Ingredients not available at this time.Directions not available at this time. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.




