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.
Sempergreen - grower in heart and soul – is an organisation that wants to improve the quality of life through innovations in sustainable construction and greenery in the city. Worldwide, we supply quality products for green roofs, living walls and ready-to-lay ground covering. Together with our clients, our ambition as market leader is to make the world a little greener.
Since Sempergreen was founded in 1996, we combine our love of nature with a healthy dose of entrepreneurship. Our products are tested extensively by our product development & innovation department. Everything with the objective of supplying innovative products that make life in the city a little bit greener and more pleasant for ourselves and for future generations.
You can contact us directly by sending an email to info@sempergreen.com or calling +31 343 539 699.
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