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Low Slope Roofing

Manufacturing News

Original ‘Monolithic Membrane 6125’ Turns 60

American Hydrotech, manufacturer of the ‘original’ hot fluid-applied rubberized asphalt membrane, remains on the commercial scene

By Bryan Gottlieb
American HydroTech_Guggenheim.jpg

American Hydrotech's Monolithic Membrane 6125, the original hot fluid-applied rubberized asphalt membrane, is celebrating its 60th anniversary. The product has protected over 2 billion square feet of roofing and waterproofing in over 86 countries, including a 1990 renovation of the Guggenheim Museum in New York City. 

— Photo courtesy of Wikipedia

June 26, 2023

Chicago-based roofing products manufacturer American Hydrotech, a Sika Company, announced on June 22 that its Monolithic Membrane 6125 product marks its 60th anniversary in a news release. 

The company described how MM6125, the “original” hot fluid-applied rubberized asphalt membrane created a better way to protect commercial buildings and established a new category to become an industry-standard product.  

“MM6125 … is the foundation used in constructing high-performance roofs, vegetated green roofs, plaza decks with swimming pools and other multi-use rooftop applications,” the release stated. “Since MM6125’s initial use in 1963, architects and building owners have trusted it to protect more than two billion square feet of roofing and waterproofing in more than 86 countries.”

First used in 1963 on the 5,800-foot span on Buffalo, N.Y.’s “The Peace Bridge,” between the United States and Canada, other notable commercial installations that used MM6125 include a submerged water feature at the First Church of Christ Scientists Headquarters in Boston, the company said. 

The Guggenheim Museum in New York City underwent a renovation in 1990 using MM6125’s Ultimate Assembly to safeguard the building, American Hydrotech said and noted that the hyperbolic paraboloid roof of the Hypar Pavilion at Lincoln Center in Manhattan also used MM6125.

“Whether it’s a commercial development, hospital, Class-A office building or the cornerstone of city development,” Stan Graveline Sr., vice president and business manager with American Hydrotech, said, ”[if] longevity of the design and roofing performance is important, Hydrotech’s MM6125 is almost always part of the conversation,” states.

According to Graveline, “Where the building absolutely cannot leak, owners and architects are looking for trusted, proven solutions. This is why we continue to innovate roofing and waterproofing applications to improve a building’s longevity, sustainability, design flexibility and occupants’ well-being. 

“And since an MM6125 application can last two-to-three times longer than a typical traditional roofing system, we feel we’re protecting more than the building; we’re improving the roofing industry’s benchmark of sustainability,” he continued.

For more information, visit hydrotechusa.com.

KEYWORDS: asphalt roofing roofing membrane Sika Sarnafil

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Bryan Gottlieb is the online editor at Engineering News-Record (ENR).

Gottlieb is a five-time Society of Professional Journalists Excellence in Journalism award winner with more than a decade of experience covering business, construction, and community issues. He has worked at Adweek, managed a community newsroom in Santa Monica, Calif., and reported on finance, law, and real estate for the San Diego Daily Transcript. He later served as editor-in-chief of the Detroit Metro Times and was managing editor at Roofing Contractor, where he helped shape national industry coverage.

Gottlieb covers breaking news, large-scale infrastructure projects, new products and business.


Follow Bryan Gottlieb on LinkedIn

email gottliebb@enr.com | office: (248) 786-1591

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