OVERVIEW
Product Code | Product Name | Metric Thickness (mm) | Dry Wt. (kg/m2) | Sat. Wt. (kg/m2) | Water ret. (l/m2) |
---|---|---|---|---|---|
NL719 | Meadow Blanket | 20.00 | 19.70 | 37.00 | 17.30 |
NL630 | Growing Medium | 150.00 | 105.00 | 200.00 | 99.00 |
NL501 | Hydro Blanket | 25.80 | 3.90 | 28.80 | 24.90 |
NL400 | Filter Fabric | 0.55 | 0.10 | 0.40 | 0.30 |
NL300 | Drainage Mat | 17.00 | 0.34 | 0.34 | 0.00 |
NL120 | Root Barrier | 0.50 | 0.46 | 0.46 | 0.00 |
Total | 213.85 | 129.50 | 271.00 | 141.50 |
KEY FEATURES
Meets Toronto Green Standard V4
WQ 1.1
- Water Balance
WQ 1.3
2. Intensive Green Room
3. Biodiverse Green Roof
Increased Stormwater Retention
Stormwater retention is increased with Needled Mineral Hydro Blanket which holds more rainfall compared to traditional growing medium while remaining lighter in weight.
Unique Design & Logo Creation
The Meadow Blanket can adapt and conform to various roof designs and can be easily cut to fit any shape. The flexible blanket can drape over various depths of growing medium for an undulating roofscape. Innovative for providing an enhanced aesthetic in a custom manner, over areas that are highly visible or that do not have strict weight restriction.
CONVENTIONAL ROOFING ASSEMBLY (CRA):
The Alpine Meadow+ vegetated system is loose-laid on a CRA which helps to protect and extend the lifespan of the roofing membrane which otherwise would be exposed to destructive elements such as ultraviolet degradation, thermal cycling, hailstone impact, and other environmental hazards.
PROTECTED MEMBRANE ROOFING ASSEMBLY (PMR):
Insulation is located above the roofing membrane. A root barrier is installed in between the insulation and roofing membrane to promote open diffusion and ensure the top surface of the insulation has a ventilating air space. The roofing ballast above the insulation becomes part of the system and acts like the drainage layer. Contact us for other roofing assemblies.
PERMIT APPROVALS AND GREEN ROOF DECLARATION
Next Level Stormwater Management provides a Survivability Report with details about the success of our projects to assist with permit processes, such as the City of Toronto permit application. For more general info or help with other municipalities, please see FAQ or contact us.
WIND UPLIFT
Independently to CAN/CSA A123.24
Next Level Stormwater Management was a key participant in developing the Canadian Standard Test Method for Wind Resistance of Modular Vegetated Roof Assembly – the first such test in the world. Contact us for more info.
Technical Document Downloads
Conventional Roofing Assembly (CRA)
NL_DET_CRA Alpine Meadow+_6 inch_NL630_plus.dwg
NL_DET_CRA Alpine Meadow+_6 inch_NL630_plus.pdf
Protected Membrane Roof Assembly (PMR)
Conventional Roofing Assembly (CRA)
075563 – SPEC_CRA_Alpine Meadow+_NL630
Protected Membrane Roof Assembly (PMR)
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