Absolutely not! Store bought materials cannot compare to the high quality commercial grade materials used by Black Pearl Sealcoating. All consumers should do their homework to ensure contractors are using a commercial grade material that meets all Federal specifications. The material should include additives that increase the toughness, flexibility, and durability of the coating. Our product is continuously agitated to maintain consistency of the sealer throughout the application process. Black Pearl Sealcoating applies Sealmaster products; Sealmaster is a member of the A.S.M.A. (Asphalt Sealcoat Manufacturers Association). SealMaster adheres to the strict A.S.M.A. standard specifications in manufacturing their material. Feel free to visit the following link for more information: www.SealMaster.net.