Division C - Accepted Materials
Group - Vegetated Roof Systems
ParaGREEN Extensive
by Siplast, Inc.
| System/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 system and its various materials 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
- Siplast
- Accepted for the RoofStar Guarantee Program
- October 24, 2025
- Accepted for application in
- Vegetated Roof Systems
- Acceptance Criteria
- Refer to the RGC Standard for Vegetated Roofs
- System Summary
- Siplast ParaGREEN Extensive layered vegetated roof assemblies are highly customizable, allowing you to meet design intent, fit within project thresholds, and maximize performance. Drainage and water retention layers are selected based on horticultural needs and drainage requirements. ParaGREEN Growing Media is designed to promote long lasting, vigorous horticultural growth, depths commonly ranging from 75 mm to 200 mm (3" to 8") depending on horticultural demands and structural constraints. Layered assemblies may be planted with ParaGREEN Vegetated Mats or containerized plant material (Adapted from the manufacturer's summary. See the link at right to the manufacturer's online resources page for more information)..
- Manufacturer online resources
- ParaGREEN Extensive
- System Type
- Extensive
- System Depth
- 100 mm to 250 mm (4" to 10")
- Growing Media Depth
- 75 mm to 200 mm (3" to 8")
- Vegetation Profile
- Moss-Sedum
- Suitable climate zones
- All
- System Components*
- In the usual order, from top to bottom; click on link for Technical Data Sheet (TDS)
- †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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