Difference between revisions of "Accepted Materials 7"

Revision as of 15:26, 12 February 2026

Division C - Accepted Materials
Group - Vegetated Roof Systems

LiveRoof® Maxx System (Conventional Roof)
by LiveRoof LLC

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.

Vegetated Roof System Manufacturer: LiveRoof LLC
Accepted for the RoofStar Guarantee Program: January 20, 2026
Accepted for application in: Vegetated Roof Systems
Acceptance Criteria: Refer to the RGC Standard for Vegetated Roofs
System Summary: LiveRoof calls their Maxx System a niche product for unique needs, such as for vegetable gardening on decks and balconies where access may require carrying the modules up a flight of stairs. There are also a few municipalities that require an 8 inch soil depth for water retention code.

The Maxx System can be used just like the Deep System to create a biodiverse prairie, sun or shade gardens, and vegetable gardens. Naturally the weight is significant at 60-65 pounds per sf., but usually the installations are small and there is often ample structural capacity on the type of roofs where it is used.

LiveRoof's Maxx System is primarily used for small scale vegetable gardens or for patches of tall accent plants, such as grasses, in conjunction with the Standard System. The type of plants used in the Maxx System include popular edible plants such as herbs, peppers, tomatoes, kale, beans, carrots, cabbage, and even sweet corn. The Maxx System will also support a full array of low to tall growing Sedums, and hundreds of different fibrous rooted herbaceous perennials (including native forbes, sedges, and grasses).

(adapted from the manufacturer's literature)

Manufacturer online resources: LiveRoof Lite System
System Type: Extensive
System Depth: Varies with plant profile
Growing Media Depth: 20.32 cm (8")
Vegetation Profile: A mixture of climate specific sedum-herbaceous-grass-perennials
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) or product drawing (not all components are supported by a TDS)

LiveRoof Lite (Protected Membrane Assembly) Properties (TDS) Vegetation (Consult LiveRoof LLC for available plant profiles) LiveRoof® Engineered Growing Media (Consult LiveRoof LLC for precise blend specifications) WindDisc™ (TDS) LiveRoof® Maxx Module (Conventional) (Drawing) RoofBlue® Retain/Detain (TDS) RoofBlue® Retain (Maxx) (Drawing) RoofBlue® Detain (Maxx) (Drawing) PipeRunner™ (Drawing) RoofEdge® Aluminum Tie-off Box (Drawing) RoofEdge® Aluminum Drain (Drawing) RoofEdge® Aluminum Edging (Maxx) (Drawing) RoofStone™ Paver (Specification) Root Barrier (supplied by roof membrane manufacturer)

^†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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 ;System Summary: LiveRoof calls their '''Maxx System''' a niche product for unique needs, such as for vegetable gardening on decks and balconies where access may require carrying the modules up a flight of stairs. There are also a few municipalities that require an 8 inch soil depth for water retention code.
-:No matter the application, it can be used just like the '''Deep System''' to create a biodiverse prairie, sun or shade gardens, and vegetable gardens. Naturally the weight is significant at 60-65 pounds per sf., but usually the installations are small and there is often ample structural capacity on the type of roofs where it is used.
+:The '''Maxx System''' can be used just like the '''Deep System''' to create a biodiverse prairie, sun or shade gardens, and vegetable gardens. Naturally the weight is significant at 60-65 pounds per sf., but usually the installations are small and there is often ample structural capacity on the type of roofs where it is used.
 :LiveRoof's '''Maxx System''' is primarily used for small scale vegetable gardens or for patches of tall accent plants, such as grasses, in conjunction with the '''Standard System'''.  The type of plants used in the '''Maxx System''' include popular edible plants such as herbs, peppers, tomatoes, kale, beans, carrots, cabbage, and even sweet corn. The '''Maxx System''' will also support a full array of low to tall growing Sedums, and hundreds of different fibrous rooted herbaceous perennials (including native forbes, sedges, and grasses).