At GuardTop, we manufacture superior quality, environmentally responsible sealcoat products. Our sealcoats boast a rich, long-lasting color, firm texture, and excellent durability. Our team of chemists and technical experts has carefully evolved and maintained the product formula since 1983, ensuring consistency and high standards.
Expanding their presence in the Southwest, GuardTop continues to launch its express locations. In 2023, GuardTop will celebrate the grand opening of its new manufacturing plant. Visit news for the latest updates.
First demonstrated in the winter of 2016 for the LA Street Services Bureau, CoolSeal is now used in support of several heat island mitigation initiatives around the world.
Koleas received recognition for his experience overseeing the modern growth of Western Emulsions from a small family-operated emulsion plant to a regional enterprise with nearly 100 employees and manufacturing facilities in seven US states serving customers in 21 states.
Bob recognized that GuardTop was still the best product in the industry and was thrilled at the opportunity. After assuring the board of the company’s incredible potential, Western Emulsions acquired GuardTop in 2009.
Bob Koleas grew up working on sealcoating crews through college. After graduating, he was appointed Sales Manager for Western Emulsions. In the early 2000s, Bob was named President and CEO of Western Emulsions.
Richiard Koleas, father of Bob Koleas, worked on the original formulation for GuardTop Sealcoat by incorporating Western Emulsion asphalt emulsion.