Division C - Accepted Materials
Group - Vegetated Roof Systems
SKYWATER® Ballasted-Conventional Hybrid 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.
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- 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
- SKYWATER® Ballasted Hybrid Systems by SOPREMA® are a combination of blue roof and green roof. This system reduces the volume of rainwater sent to the sewer in addition to decreasing its flow. Water is absorbed by the SOPRANATURE® vegetated system as well as by SOPRARETENTIO BOARD, providing a higher retention capacity than a green roof alone.
- System Depth
- 107.9 mm (4-1/4") 336.5 mm (13-1/4") +
- Growing Media Depth
- 76.3 mm (3") 304.8 mm (12") +
- Vegetation Profile
- Sedums, dry prairie grasses, dry flower meadows, and vegetation with a range of water needs, inclusive of urban agricultural crops (as specified by the Design Authority/Green Roof Design Professional. See Conditions and Limitations. Suitable vegetation depends on the selection of growing media).
- 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 I or AU growing media (Click [link here] for the Technical Data Sheet PDF)
- Sopraretentio Mat (Click [link here] for the Technical Data Sheet PDF)
- Sopraretentio Board (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 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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