PROVEN PERFORMANCE
Discover MM6125® ››Waterproofing
Hydrotech Monolithic Membrane 6125® (MM6125®) enjoys a 50-plus-year proven track record of superior long-term waterproofing protection. Leading architects, engineers and owners employ thick, tough, flexible, and self-healing MM6125 on horizontal and vertical structures including plazas, parking decks, planters, tunnels, bridges, mud slabs, foundation walls, and roof areas.
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Protected Membrane Roof (PMR)
With a Hydrotech Protected Membrane Roof (PMR), your roof membrane is protected for the life of your building. Hydrotech PMR assemblies employ the right materials, in the right order, to produce a highly energy-efficient roof that lasts more than three times the lifespan of an average unprotected membrane roof.
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Amenity Deck
What could your roof be? A restaurant, bar, or nightclub? An outdoor space for employee gatherings or simply a quiet spot to work outdoors or enjoy lunch? Hydrotech Amenity Deck(s) beautifully, safely, and effectively transform a roof into any of these exciting new possibilities.
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Garden Roof
North America’s leading pioneer and innovator in green roof technology, Hydrotech offers a full range of assemblies and systems to meet your specific garden roof vision and requirement. Whether a lush lawn roof or a roof filled with diverse plants, shrubs, and trees, Hydrotech has your solution.
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Celebrating 60 Years of Proven Performance!
Monolithic Membrane 6125® is the industry's first hot fluid-applied rubberized asphalt membrane. Developed in the early 1960’s, it improved both the quality and durability of waterproofing systems. MM6125 quickly became the premier choice for commercial buildings throughout the world.

Discover MM6125® innovations throughout our 60 years of proven performance
For 60 years, Monolithic Membrane 6125® has been protected not only buildings, but our clients’ investments, our natural resources, and the well-being of building occupants.

MORE R-Value per inch - R6.7 vs R5
Lower thickness = higher design flexibility

American Hydrotech receives Factory Mutual (FM) Approvals for Garden Roof® Assemblies
Hydrotech’s Garden Roof Assemblies have successfully passed a series of tests and met the rigorous requirements to achieve FM Approvals. Hydrotech is the only membrane manufacturer that can offer an FM Approval for a vegetated roof assembly, starting at the deck and up through the vegetation.

Garden Roof Planning Guide Request
With over 25 years of experience in all kinds of vegetated roofs, Hydrotech's 4th edition of the Garden Roof Planning Guide can take you from concept to completion in under 80 pages.

Protected Membrane Roof Planning Guide Request
The guide strives to educate architects, engineers, general contractors and other design professionals on the key benefits of a protected membrane roof compared to a conventional roof.

Learn About the Benefits of a Protected Membrane Roof in Less Than 5 Minutes
Protected Membrane Roof (PMR) Planning Guide, representing more than 50 years of proven assembly experience across the globe and 35+ years of Hydrotech’s industry knowledge.
Because if your roof membrane isn't protected neither is your building
Learn more about all the advantages of Hydrotech’s Protected Membrane Roof.
To assist in designing your project, please explore our resource center where you can access literature, details, specifications, product information, project photography and more.
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American Hydrotech, Inc. is committed to contributing to professional continuing education of architects by developing informative and relevant free continuing education courses that advance building science, sustainability, and qualify for AIA CES credit.
Learn More ››Winthrop Center, located in Boston’s Financial District, includes over 1.8M sq. ft of residential, office, and retail space. At 53 stories tall, it became the largest Passive House Certified project in the world, as well as achieving LEED Platinum and WELL Gold certification.
Project Details ››Fuse at George Mason University is a 345,000 sq. ft. education building that houses 24 specialty labs, offices, classrooms, retail, and event spaces in Arlington, Virginia. The goal of this building was to have a Main Street feel, encouraging students and industry professionals to mix.
Project Details ››Optima Lakeview in Chicago’s Lakeview neighborhood transformed the site of a former grocery store into a new 7-story luxury apartment complex with 14,000 sq.ft of street-level retail space. A unique landscaped interior is incorporated on the inside accompanied by a variety of amenities for tenants to enjoy.
Project Details ››Constructed almost entirely of mass timber, the new headquarters strives for Net-Zero Energy, LEED® Platinum certification, and WELL Building Standard with the help of other innovative features. The flagship HQ is protected with Hydrotech® Monolithic Membrane 6125® with minimum 40% recycled content that will keep the building watertight for the lifetime of the structure.
Project Details ››