Division C - Accepted Materials
Group - Vegetated Roof Systems
SKYWATER® SOPRAFLOW CONTROL-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® SOPRAFLOW CONTROL Hybrid Systems by SOPREMA® are a combination of blue roof and green roof. This assembly offers the manufacturer's best water retention capacity of the SKYWATER®systems available. Rainwater is retained both in the SOPRANATURE® vegetated roof and in the SOPRARETENTIO MODULE, which is located under the vegetated roof. This system makes it possible to reduce the volume of water as well as the flow discharged to the sewer, because of the use of the SOPRAFLOW CONTROL flow regulator (See the link at right to the manufacturer's online resources page for more information).
- Manufacturer Online Resource
- SKYWATER SOPRAFLOW CONTROL-Conventional Hybrid Roof
- System Type
- Extensive, Semi-Intensive
- System Depth
- 136.9 mm (5-3/8") 265.2 mm (14-3/8")
- 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*
- In the usual order, from top to bottom; click on link for Technical Data Sheet (TDS)
- XPS Insulation by roofing Contractor (Refer to the RGC Standard for Vegetated Roofs)
- Soprema approved tape
- Waterproofing Roof Assembly (membrane) by roofing Contractor
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- †Guarantor's Notes
- Systems labeled "Inverted" are designed for a protected membrane roof assembly, also known as an inverted roof assembly.
- While Semi-intensive and Intensive vegetated roof systems are limited to only protected membrane roofs (See the Sentence 1.1.3.2.(5) in the "RGC Standard for Vegetated Roofs"), some vegetated roof system manufacturers offer their systems for conventionally insulated roofs. To request a written Variance to the published limitation, follow the requirements in Article 1.1.3.6..
- *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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