Division C - Accepted Materials
Group - Vegetated Roof Systems
NLSM LiteN'Less
by Next Level Stormwater Management
| 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
- https://www.nlsm.ca/
- 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
- LiteN'Less is Next Level Stormwater Management's original lightweight system, an older version of the new updated soilless systems LiteN’Less II and LiteN’Less III (adapted from the manufacturer's literature).
- System Depth
- 40.7 mm (1-5/8") to 64.0 mm (2-1/2")
- Growing Media Depth
- 25.4 mm (1") to 25.4 mm (1")
- Vegetation Profile
- Moss-Sedums
- Suitable climate zones
- All BC zones except Zone 4, subject to manufacturer's approval
- System Components
- NL720 Sedum Blanket (Click here for the Technical Data Sheet PDF)
- NL512 Retention Fleece (Click here for the Technical Data Sheet PDF)
- NL512 Retention Fleece (Note that this system requires two (2) layers of fleece)
- NL300 Drainage Mat (Conventional Roof) (Click here for the Technical Data Sheet PDF) or Stone Ballast (PMRA)
- NL120 Root Barrier (Click here for the Technical Data Sheet PDF)
- NL200 Edging & Accessories (Click here for the Technical Data Sheet PDF)
- NL210 Drain Box & Accessories
- NL220 Penetration Box
- *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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