Materials:Hydrotech Extensive Garden Roof Assembly

Division C - Accepted Materials
Group - Vegetated Roof Systems

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Hydrotech Extensive Garden Roof Assembly
by Hydrotech Membrane Corporation

Material Acceptance and Product Details The information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the Guarantor. The preparation of a detailed specification is the responsibility of the Design Authority.

Vegetated Roof System Manufacturer Hydrotech Membrane Corporation Accepted for the RoofStar Guarantee Program October 25, 2024 Accepted for application in Vegetated Roof Systems Acceptance Criteria Refer to the RGC Standard for Vegetated Roofs Manufacturer online resources Extensive Garden Roof Assembly System Summary description here, using breaks System Depth 101.6 mm (4") to 203.2 mm (7") Growing Media Depth 76.2 mm (3") to 152.4 mm (6") Vegetation Profile varieties of sedums Suitable climate zones 4, 5, 6, 7A, 7B, 8 System Components Instagreen® Carpet (Click here for the Technical Data Sheet PDF) Extensive Litetop® Growing Media (Click here for the Technical Data Sheet PDF) Litetop® Filter (Click here for the Technical Data Sheet PDF) Gardendrain GR10 or Gardendrain GR25 (Click here and here for the Technical Data Sheet PDFs) Root Stop Standard (Click here for the Technical Data Sheet PDF) Root Stop Tape (Click here for the Technical Data Sheet PDF) GardenEdge® (Click here for the Technical Data Sheet PDF) Conditions and Limitations Note that system thickness is dependent upon the selection of components, which is determined (in part) by design parameters, including hydrological requirements. Consult with the vegetated roof system manufacturer for options and saturated system weight.

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