Difference between revisions of "Vegetated ("Green") Roof Systems"
Difference between revisions of "Vegetated ("Green") Roof Systems"
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<big><big>Division C - Accepted Materials</big></big> | <big><big>Division C - Accepted Materials</big></big> | ||
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| − | <big><big><big><big><big>Vegetated ("Green") Roof Systems</big></big></big></big></big> | + | <big><big><big><big><big>Vegetated ("Green") Roof Systems (VRS)</big></big></big></big></big> |
| + | {{Template:Vegetated Roof Systems (Table)}} | ||
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| + | :<span style="color:#FF0000;"><sup>**</sup></span> ''Semi-intensive'', ''Intensive'', and Hybrid (blue-green) ''vegetated roof systems'' are only permitted on ''protected membrane roofs'' (PMR); see [https://rpm.rcabc.org/index.php?title=VRA_Standard#1.1.3.2._Permitted_Vegetated_Roof_Systems Sentence 1.1.3.2.(5)] in the "RGC Standard for Vegetated Roofs". Any deviation to the "Standard for Vegetated Roofs" must be made by submitting a request to the '''''RGC''''' for a written Variance, as defined in [https://rpm.rcabc.org/index.php?title=VRA_Standard#1.1.3.6._Variances Article 1.1.3.6.] | ||
| + | :<sup>†</sup> ''Vegetated roof systems'' can be divided into three classic '''types''': ''Extensive'', ''Semi-intensive'', and ''Intensive''. Added to this are blue-green roofs, also referred to as "hybrid systems." Refer to the Notes to the [https://rpm.rcabc.org/index.php?title=Notes_to_VRA_Standard Notes to the Standard for Vegetated Roofs] for an expanded treatment on the three principal types. | ||
| + | :<sup>‡</sup> Minimum system and growing media depths may vary. For example, some manufacturers produce retention/detention mats in various thicknesses, to accommodate varying hydrological requirements. This may affect the minimum thickness of a system. Similarly, manufacturers may specify different minimum growing media depths depending on how the system will be used (i.e., deeper media if an intensive system is to be cultivated for rooftop agriculture). Always refer to the '''system page''' for more information. | ||
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Latest revision as of 22:16, 3 November 2025
Division C - Accepted Materials
Vegetated ("Green") Roof Systems (VRS)
| VRS Supplier | VR System Name * | VRS Type † |
Permissible Roof Assembly† |
System Min. Depth mm (in) ‡ |
System Max. Depth mm (in) |
Media Min. Depth mm (in) ‡ |
Media Max. Depth mm (in) |
|---|---|---|---|---|---|---|---|
| Carlisle SynTec Systems Canada | Carlisle Extensive Roof Garden System | Extensive | All | 101.6 (4) | 158.8 (6-1/4) | 70 (1-1/4) | 127 (5) |
| Carlisle SynTec Systems Canada | Carlisle Roof Garden Extensive Stormwater Retention System | Extensive | All | 140 (5-1/2) | 165.1 (6-1/2) | 101.6 (4) | 127 (5) |
| Carlisle SynTec Systems Canada | Carlisle Semi-Intensive Roof Garden System | Semi-Intensive | PMRA | 158.8 (6-1/4) | 235 (9-1/4) | 127 (5) | 203.2 (8) |
| Carlisle SynTec Systems Canada | Carlisle Intensive Roof Garden System | Intensive | PMRA | 235 (9-1/4) | None Stated | 203.2 (8) | None Stated |
| Hydrotech Membrane Corporation | Hydrotech Extensive Garden Roof Assembly | Extensive | All | 101.6 (4) | 203.2 (7) | 76.2 (3) | 152.4 (6) |
| Hydrotech Membrane Corporation | Hydrotech Semi-intensive Garden Roof Assembly | Semi-Intensive | PMRA | 203.2 (8) | 355.6 (14) | 152.4 (6) | 304.8 (12) |
| Hydrotech Membrane Corporation | Hydrotech Intensive Garden Roof Assembly | Intensive | PMRA | 355.6 (14) | 939.8 (37) | 304.8 (12) | 889 (35) |
| Next Level Stormwater Management | NLSM LiteN'Less | Extensive | All | 40.7 (1-5/8) | 64.0 (2-1/2) | 25.4 (1) | 25.4 (1) |
| Next Level Stormwater Management | NLSM LiteN'Less II | Extensive | All | 30.7 (1-1/8) | 30.7 (1-1/8) | 20 (13/16) | 20 (13/16) |
| Next Level Stormwater Management | NLSM LiteN'Less III | Extensive | All | 45.0 (1-13/16) | 62.0 (2-7/16) | 20 (13/16) | 20 (13/16) |
| Next Level Stormwater Management | NLSM TerraEXT | Extensive | All | 113.0 (4-13/16) | 188 (7-13/16) | 95.0 (3-3/4) | 170 (6-11/16) |
| Next Level Stormwater Management | NLSM StormCap | Extensive | All | 114 (4-1/2) | 264 (10-3/8) | 70 (2-3/4) | 170 (6-11/16) |
| Next Level Stormwater Management | NLSM StormCap Detain 3° | Extensive | All | 114 (4-1/2) | 352 (13-7/8) | 70 (2-3/4) | 170 (6-11/16) |
| Next Level Stormwater Management | NLSM Eco-Grass | Semi-Intensive | PMRA | 188 (7-7/16) | 338 (13-5/16) | 170 (6-11/16) | 320 (12-9/16) |
| Next Level Stormwater Management | NLSM Flora Garden | Semi-Intensive | PMRA | 162 (6-3/8) | 312 (12-5/16) | 150.4 (6) | 304.8 (12) |
| Soprema Inc. | SOPRANATURE® Extensive-Conv. Veg. Roof | Extensive | All | 85.85 (3-3/8) | 162 (6-3/8) | 76.2 (3) | 152.4 (6) |
| Soprema Inc. | SOPRANATURE® Extensive-Inverted Veg. Roof | Extensive | All | 88.1 (3-6/16) | 164.3 (6-6/16) | 76.3 (3) | 152.4 (6) |
| Soprema Inc. | SOPRANATURE® Modular-Conv. Veg. Roof | Extensive | All | 100.5 (3-15/16) | 100.5 (3-15/16) | 100 (3-7/8) | 100 (3-7/8) |
| Soprema Inc. | SOPRANATURE® Modular-Inverted Veg. Roof | Extensive | All | 100.5 (3-15/16) | 100.5 (3-15/16) | 100 (3-7/8) | 100 (3-7/8) |
| Soprema Inc. | SOPRANATURE® Semi-Intensive-Inverted Veg. Roof | Semi-intensive | PMRA | 164.3 (6-6/16) | 316.7 (12-6/16) | 152.4 (6) | 304.8 (12) |
| Soprema Inc. | SOPRANATURE® Semi-Intensive-Conventional Veg. Roof** | Semi-intensive | PMRA** | 164.3 (6-6/16) | 316.7 (12-6/16) | 152.4 (6) | 304.8 (12) |
| Soprema Inc. | SOPRANATURE® Intensive-Inverted Veg. Roof | Intensive | PMRA | 361.7 (12-6/16) | ≥ 361.7 (12-6/16) | 304.8 (12) | ≥ 304.8 (12) |
| Soprema Inc. | SOPRANATURE® Intensive-Conventional Vegetated Roof** | Intensive | PMRA** | 361.7 (12-6/16) | ≥ 361.7 (12-6/16) | 304.8 (12) | ≥ 304.8 (12) |
| Soprema Inc. | SKYWATER® Ballasted-Inverted Hybrid Roof | Hybrid | PMRA | 107.9 (4-1/4) | ≥ 336.5 (13-1/4) | 76.3 (3) | ≥ 304.8 (12) |
| Soprema Inc. | SKYWATER® Ballasted-Conv. Hybrid Roof** | Hybrid | PMRA** | 107.9 (4-1/4) | 336.5 (13-1/4) | 76.3 (3) | ≥ 304.8 (12) |
| Soprema Inc. | SKYWATER® SOPRAFLOW CONTROL** | Hybrid | PMRA** | 136.9 (5-3/8) | 265.2 (14-3/8) | 76.3 (3) | ≥ 304.8 (12) |
| Siplast, Inc. | ParaGREEN Extensive | Extensive | All | 101.6 (4) | 254 (10) | 76.3 (3) | 203.1 (8) |
| Siplast, Inc. | ParaGREEN Semi-Intensive | Semi-intensive | All | 228.6 (9) | 330.2 (13) | 203.1 (8) | 304.8 (12) |
| Siplast, Inc. | ParaGREEN Intensive | Intensive | All | 228.6 (9) | > 304.8 (12) | 304.8 (12) | > 304.8 (12) |
| ZinCo Canada Inc. | ZinCo Sedum Roof | Extensive | All | 101.6 (4) | 127 (5) | 80 (3-1/8) | 80 (3-1/8) |
| ZinCo Canada Inc. | ZinCo Sedum Roof (Inverted) | Extensive | All | 101.6 (4) | 127 (5) | 80 (3-1/8) | 80 (3-1/8) |
| ZinCo Canada Inc. | ZinCo Sedum Roof XL | Extensive | All | 114.3 (4-1/2) | 152.4 mm (6) | 80 (3-1/8) | 80 (3-1/8) |
| ZinCo Canada Inc. | ZinCo Sedum Roof XL (Inverted) | Extensive | All | 114.3 (4-1/2) | 152.4 mm (6) | 80 (3-1/8) | 80 (3-1/8) |
| ZinCo Canada Inc. | ZinCo Semi-Intensive Perennial Garden Assembly (Inverted) | Semi-intensive | PMRA | 185 (7-1/4) | 203.2 (8) | 152.4 (6) | 152.4 (6) |
| ZinCo Canada Inc. | ZinCo Semi-Intensive Perennial Garden Assembly** | Semi-intensive | PMRA** | 185 (7-1/4) | 203.2 (8) | 152.4 (6) | 152.4 (6) |
| ZinCo Canada Inc. | ZinCo Roof Garden Assembly (Inverted) | Intensive | PMRA | 241.3 (9-1/2) | 260.35 (10-1/4) | 203.1 (8) | 203.1 (8) |
| ZinCo Canada Inc. | ZinCo Roof Garden Assembly** | Intensive | PMRA** | 241.3 (9-1/2) | 260.35 (10-1/4) | 203.1 (8) | 203.1 (8) |
| ZinCo Canada Inc. | ZinCo Blue Roof Assembly (Inverted) | Hybrid | PMRA | 215.9 (8-1/2) | 304.8 (12) | 101.6 (10) | 304.8 (12) |
| ZinCo Canada Inc. | ZinCo Green Roof & Solar | Extensive | All | 203.2 (8) | 203.2 (8) | 101.6 (4) | 101.6 (4) |
| ZinCo Canada Inc. | ZinCo Green Roof & Solar (Inverted)** | Extensive | PMRA** | 203.2 (8) | 203.2 (8) | 101.6 (4) | 101.6 (4) |
- ** Semi-intensive, Intensive, and Hybrid (blue-green) vegetated roof systems are only permitted on protected membrane roofs (PMR); see Sentence 1.1.3.2.(5) in the "RGC Standard for Vegetated Roofs". Any deviation to the "Standard for Vegetated Roofs" must be made by submitting a request to the RGC for a written Variance, as defined in Article 1.1.3.6.
- † Vegetated roof systems can be divided into three classic types: Extensive, Semi-intensive, and Intensive. Added to this are blue-green roofs, also referred to as "hybrid systems." Refer to the Notes to the Notes to the Standard for Vegetated Roofs for an expanded treatment on the three principal types.
- ‡ Minimum system and growing media depths may vary. For example, some manufacturers produce retention/detention mats in various thicknesses, to accommodate varying hydrological requirements. This may affect the minimum thickness of a system. Similarly, manufacturers may specify different minimum growing media depths depending on how the system will be used (i.e., deeper media if an intensive system is to be cultivated for rooftop agriculture). Always refer to the system page for more information.
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