ZinCo USA Competitors

GAF, a Standard Industries company, is the leading roofing and waterproofing manufacturer in North America. For more than 135 years, GAF has been trusted to protect what matters most for families, business owners and roofing professionals with its innovative solutions and focus on exceptional service. GAF's leadership extends to its commitment to strengthen its communities and industry through investments in career development, sustainable products, and local community resilience.

Since 1928, Tremco Incorporated has been the leading innovator and provider of roofing and weatherproofing solutions. Tremco offers the most comprehensive roofing and weatherproofing solutions for new construction, roofing maintenance, replacement solutions, restoration and repair services. We deliver long-term performance to building owners and facility managers for roofing and building assets by caring and managing the life cycle of the entire building envelope. Tremco Roofing and Building Maintenance and Weatherproofing Technologies, Inc. (WTI), our subsidiary, deliver peace of mind through the most experienced roofing field organization in North America. Our commitment to quality and service, coupled with a dedication to product innovation, means we have a solution to your roofing and weatherproofing problems.

In 2021, American Hydrotech, Inc. was acquired by Sika Corporation and fully integrated in 2025 as part of the Roofing & Waterproofing division. Hydrotech® Monolithic Membrane 6125® (MM 6125®), a hot fluid-applied, rubberized asphalt for waterproofing and roofing applications, remains the flagship product and foundation to our roofing and waterproofing assemblies. The membrane has been installed worldwide on over 2 billion square feet of roof decks, green roofs, plazas, vertical foundations, reflecting pools and other structures in over 86 countries. MM 6125® is thick, seamless, easy to detail and bonds directly to the substrate. The product has been in the marketplace for 60 years, with an unsurpassed performance history.