American Hydrotech, Inc.

Chicago,  IL 
United States
  • Booth: 2425

15,000,000+ SF of Garden Roof Assembly installed since 1996

Designed as a lightweight, low profile system, the Garden Roof® Assembly can be safely installed on roof and plaza decks engineered for as little as 15 pounds per sf saturated dead load. And because the assembly incorporates Hydrotech's Monolithic Membrane 6125®, a proven roofing/waterproofing membrane, the building owner can be assured of a water-tight structure.

Advantages of the Garden Roof® Assembly include:

• Suitable for extensive, intensive and sloped applications
• One answer to the "Urban Heat Island" problem
• Stormwater management - retain 50%-90% of a typical rain fall on the roof
• Improves building's energy efficiency
• Processes airborne toxins and re-oxygenates the air
• Adds space for tenant use and recreation
• Creates therapeutic and peaceful environments
• Enhances building's appearance
• Total assembly warranted, from the deck up (single-source warranty)
• Backed by over 35 years of combined experience in waterproofing and green roof technologies

Brands: Monolithic Membrane 6125, Garden Roof Assembly, Ultimate Assembly Open Joint Pavers

 Press Releases

  • American Hydrotech is pleased to announce the release of the new fourth edition Garden Roof Planning Guide. For the last five years, updated print, online and app version of the complimentary resource have transformed more than 22 years of vegetative roof experience into an educational tool and resource for architects, landscape architects, facility management, building owners, installers and contractors on the latest technology, applications and benefits of vegetative roofs.

    Get your copy today:


  • Extensive Garden Roof Assembly
    Extensive Garden Roofs are typically chosen for their appearance or to help reduce the urban heat island effect & minimize stormwater run-off. Extensive roofs require a shallow growing media depth & therefore add little weight to the roof structure below....

  • The Extensive Garden Roof® Assembly is ideally suited for locations that will receive little maintenance or where structural capabilities are a concern.

    Extensive Garden Roofs are not intended for recreational use & are usually chosen for their appearance or to help reduce the "urban heat island" effect & minimize stormwater run-off. Extensive roofs only require a shallow growing media depth, generally as little as 3"-6", & therefore add little weight to the roof structure below when compared to a standard ballasted PMR roof.

    Recommended plant types for extensive roofs need to be drought, wind & frost resistant, such as self-generating sedums, herbs, grasses & other vegetation that can withstand harsh growing conditions.

    The water stored in the growing media & drainage/retention layer is sufficient to sustain the drought resistant plants between periods of normal rainfall. Thinner assemblies & very lightweight growing media blends are available for Extensive Garden Roof Assemblies.

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