Materials:SOPRANATURE Extensive-Inverted Vegetated Roof

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Materials:SOPRANATURE Extensive-Inverted Vegetated Roof

Revision as of 16:33, 31 October 2024 by James Klassen (talk | contribs)



Division C - Accepted Materials
Group - Vegetated Roof Systems


SOPRANATURE® Extensive-Inverted Vegetated Roof
by Soprema Inc.

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
Soprema Inc.
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
System Summary
SOPRANATURE® Extensive Vegetated Systems by SOPREMA®are light green roofs of less than 150 mm of SOPRAFLOR substrate. Vegetation types typically include sedums, grasses and other perennials requiring low maintenance. This system is specifically designed for protected membrane roof assemblies" ("inverted" roofs).
Extensive VR System (sedum tile).jpg
System Depth
88.1 mm (3-6/16") to 164.3 mm (6-6/16")
Growing Media Depth
76.3 mm (3") to 152.4 mm (6")
Vegetation Profile
sedums, grasses, and other perennials
Suitable climate zones
All BC zones, subject to manufacturer's approval
System Components
Sedum Mats by Soprema, or non-sedum mat supplied by others* (Click here for the Technical Data Sheet PDF)
Sopraflor X or I growing media (Click [link here] for the Technical Data Sheet PDF)
Sopraretentio Mat (Click [link here] for the Technical Data Sheet PDF)
Soprafiltre (Click [link here] for the Technical Data Sheet PDF)
Sopradrain Eco-5 (Click [link here] for the Technical Data Sheet PDF)
Soprabarrier 20 or 30 (Click [link here] for the Technical Data Sheet PDF)
Soprema approved tape
Sopranature® metal edging
Sopranature® inspection chambers
*See Conditions and Limitations
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.
Also note that vegetation coverage under the RoofStar Vegetated Roof Guarantee applies only to extensive systems planted with mats or trays - see Part 3 of Division A for more about coverage.



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