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Masterseal Corp., San Clemente, CA •  (949) 355-5031


Masterseal services the waterproof decking, concrete coating and industrial flooring needs of Orange, Los Angeles and San Diego Counties.

We are uniquely qualified to recommend the right system for your project. Our experience as Manufacturers Representatives for some of the oldest and largest companies in the area, including Crossfield Products Corp. (Dex-O-Tex and Miracote), Excellent Coatings (Excel Coat) and Hill Brothers Chemical Company (Magnesite and Desert Crete), has given us expert knowledge in 56 types of flooring, decking and wall coating systems.


Masterseal waterproofing and special coating systems can be designed for any budget or performance requirement. We offer quality materials and workmanship at a reasonable price and provide one of the longest warranties in the industry (up to 10 years).

We are licensed, bonded and insured, holding C-61 (Concrete Specialties), D-12 (Synthetic Products) and C-27 (Landscaping) classifications.