The gold standard in asphalt protection
At GuardTop by Sustainable Emulsions, we specialize in premium sealcoats known for their rich, long-lasting color, superior texture, and excellent durability. Since 1983, our team of chemists and mechanical experts has meticulously refined and maintained our product formula, ensuring the highest standards of consistency and performance. As part of PRS Holdings, we are proud to be a 100% employee-owned ESOP company, committed to excellence in safety, quality, service, and product performance across the asphalt industry. Our mission is to set the industry standard, providing innovative solutions for every stage of the pavement lifecycle. Driven by a shared vision to advance the prosperity of our employee-owners, field operators, stakeholders, and business partners, we are motivated to be the leading force in the asphalt sealcoating field. This dedication inspires us to develop products and services that elevate the value and image of our clients, ensuring that we remain at the forefront of pavement-focused advancements.
to be the undeniable best
GuardTop asphalt protection and maintenance products improve the aesthetics and longevity of pavements. We strive to be the undeniable best in safety, quality, service and performance. Our commitment to our mission drives us to continually improve our products and services and lead the industry in responsible environmental practices and exceptional customer service.
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Profitability
GuardTop by Sustainable Emulsions is an ESOP, employee owned company. Our vision is to advance the prosperity of our employee owners.
sustainability
GuardTop formulas incorporate recycled materials and are free of coal tar and toxic PAHS and other hazardous additives.
saftey
GuardTop by Sustainable Emulsions puts safety before all else. Accidents are a consequence of inattention, and we pay attention. The well being of our field operators is the highest priority.
respect
Respect is given to earn it. Our business partners are an extension of ourself, our success is their success. We value these relationships build on mutual trust and respect.
Integrity
GuardTop offers high quality products for a fair price. We do not seek to mask the truth. This strong commitment to integrity is reflected in the way the our company conducts business and treats its employees, customers, and stakeholders.
leadership always
With decades of experience, GuardTop sealcoating products have set the industry standards for asphalt maintenace and preventative care. We are the gold standard in asphalt protection, there is no equal.
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GuardTop continues to expand and innovate.
Expanding their presence in the Southwest, GuardTop continues to launch its express locations. Some recent milestones include the grand opening of its new manufacturing plant, and the opening of a new express location in San Diego. Visit news for the latest updates.
GuardTop is acquired by Sustainable Emulsions.
GuardTop became part of the PRS Holdings organization by merging with Sustainable Emulsions. Through this partnership, they are dedicated to developing innovative solutions for every stage of the pavement lifecycle and are proud to be a 100% employee-owned ESOP company. Visit news for more details on this partnership.
Creation of CoolSeal by GuardTop.
First demonstrated in the winter of 2016, this grey sealcoat has ignited the movement of cool pavement in the asphalt industry. CoolSeal is now used in support of several heat island mitigation initiatives around the world. CoolSeal has been studied by powers as prestige as NASA, demonstrating impressive results showcasing the products ability to decrease the overall temperature of the neighborhoods it is applied in. Learn more about our innovation.
Bob Koleas inducted into Asphalt Emulsion Manufacturers Association Hall of Fame.
Bob 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 Koleas joins and excels in the industry.
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.
Western Emulsions builds Irwindale plant to distribute GuardTop.
Richiard Koleas, father of Bob Koleas, worked on the original formulation for GuardTop Sealcoat by incorporating Western Emulsion asphalt emulsion.