901 Cherry Avenue (The Gap)

San Bruno, CA
Market: 
Office
Products: 
Garden Roof® AssemblyGarden Roof® Assembly: Intensive
Size: 
82,000 sq ft.
Completion Date: 
1997

When Gap Inc. decided to build their first company owned office building, they wanted the facility to embody the company's commitment to the environment. By incorporating a green roof into the design of 901 Cherry, the architects dramatically improved the building's energy efficiency and reduced the demand on local storm sewers. In addition, the presence of native grasses and wildflowers on the roof helps the building blend with the surrounding landscape.

Unlike a traditional roof, a green roof is designed to retain water, placing added importance on the impenetrability of the roofing membrane. By specifying MM6125®, the design team selected a membrane known for its watertight integrity and ability to perform even under submersed conditions. Fluid-applied and flexible, MM6125® readily conformed to the undulating surface of the building's roof deck. And because the membrane is fully adhered to the deck and has no seams, there is little risk of having to remove soil and plants to track a leak. MM6125® is also resistant to fertilizers and most acids.

In addition to 901 Cherry, Hydrotech has supplied materials for earth covered facilities worldwide. And now, through the introduction for the Garden Roof®, a green roof system developed by Hydrotech, building owners and design professionals can transform any new or existing roof into a landscaped environment. 

Awards: 
2003 Green Roofs for Healthy Cities Award of Excellence - Extensive New Construction Category
Owner: 
The Gap, Inc
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Architect: 
William McDonough + Partners/Gensler
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Landscape Architect: 
Hargraves & Assoc.
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General Contractor: 
Swinerton & Walberg
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Recent Press

  • October 18, 2018
    American Hydrotech, a recognized leader in the vegetative roofing market, today announced the availability of the Fourth Edition of the company’s widely acclaimed Garden Roof® Planning Guide. For the last five years, updated print, online and app...
  • May 21, 2018
    American Hydrotech, a recognized leader in the development and distribution of premium waterproofing and roofing assemblies, today announced the availability of their Protected Membrane Roof (PMR) Planning Guide , a unique, new resource representing...
  • August 28, 2018
    Over the last two decades, the roofing industry has undergone some major changes, one of which is a growing recognition of the value of roof space other than keeping occupants warm and dry. Two veteran roofing professionals share their thoughts on...
  • February 1, 2018
    CHICAGO, ILLINOIS (February 1, 2018) The Chicago Blackhawks have captured the hearts of the city of Chicago along with three Stanley Cups in the last decade. The Blackhawks routinely lead the league in attendance at the United Center, and fans were...
  • October 18, 2017
    CHICAGO, ILLINOIS (October 11, 2017) American Hydrotech – a market leader in the development and distribution of premium waterproofing and roofing products and assemblies, today announced the introduction of the InstaGreen® GT-4 pre-vegetated tray,...
  • April 3, 2017
    Wind data is a critical issue to consider when building a new structure. An increase in the number of green roofs on buildings has driven a need for new wind design standards to be written for vegetative roofing assemblies. Richard Hayden discusses...