Hydropack Features

hydropack-water-evacuation-2A product of 20 years of experience in green roofing, Hydropack is an all-in-one green roof paver that is easy to install with 95% vegetation cover from the day of installation.  Our patented system is resilient and low maintenance in nearly any climate region.

Hydropack Features

  • Hydropack contains all of the components of a mulitilayer system, with drainage, filter, and substrate layers that are specifically designed for rooftop conditions.
  • Designed for both flat and highly pitched roofs (up to 200% gradient)
  • Hydropack includes permanent water reservoirs to maximize stormwater retention and minimize irrigation needs.  This system makes Hydropack ideal for nearly any climate region.
  • Pre-vegetated trays are delivered with at least 95% coverage and can be shipped to the project site with as little as 2 weeks lead time
  • Plant mixes ranging from a hardy and low maintenance standard mix to a fully customized mix
  • Hydropack is designed to work like a living paver and the result is a product that is easy and quick to install
  • Our all-inclusive system and carefully chosen plant blend creates a product that is both aesthetically pleasing and remarkably low-maintenance




Hydropack: The only green roof tray with a 0.4 inch water reservoir

Each module contains all necessary components for a successful green roof system: A drainage layer, filter, a substrate layer that is specifically adapted to rooftop contidions, a vegetation layer, and of course, a dedicated water reserve.
hydropack-en-coupe-longitudinale-simplifiee Hydropack Cross-Section

  1. The substrate is protected from standing water. 
  2. The substrate layer is about 3 inches thick and is protected from standing water through a drainage layer.  The filter layer at the bottom of the substrate prevents the soil media from leaching outside the tray while enabling high water retention in a low weight system.  The Hydropack tray is designed by Vegetal i.D. to withstand rooftop conditions.  It provides an optimum combination of permeability, water retention, and durability.
  3. Excess water is discharged efficiently. 
  4. Each Hydropack green roof tray has 47 drainage holes per square foot to enable efficient evacuation of excess water.
  5. Efficient use of rainwater 
  6. The Hydropack tray has a permanent reservoir located at the bottom of the tray to regulate rainwater on the roof.  Excess rainwater is collected within a 1.2 inch water reserve that stores 0.22 gallons of water per square foot, and can be absorbed over time by the vegetation through a wicking process known as capillary irrigation.
  7. Water and nutrient resources are shared between trays. 
  8. Water is evenly distributed over the entire roof with an efficient and patented interconnecting system that enables water and nutrients to be shared between green roof trays.


Hydropack is suitable for both flat and steep roof systems

Réalisation de toit végétal en forte pente avec le  bac HYDROPACK®

Due to its natural framing and all-in-one system Hydropack lends itself well to steep slopes with up to a 200% pitch.  Thanks to the Acropack attachment system, each tray can be affixed securely to the roof without piercing the roofing membrane. Our solutions and techniques were developed by our research and development team with the benefit of over 20 years of experience designing and building green roof systems.



Shipped with 95% coverage for an established green roof the day of installation

Hydropack is produced and assembled by Vegetal i.D. in our nursery in upstate New York.  Unlike other manufactures that outsource the growing of their vegetation to other nurseries, Vegetal i.D. maintains control of the quality of each and every tray sold, which enables immediate plant coverage of at least 95% on the day of installation.  With Vegetal i.D. you can leave the plants to us and be sure that your green roof project is a success every time.


Hydropack is available in 3 different plant mixes

Hydropack is available in 3 different plant mixes; Standard Mix, Accent Mix, and Custom Mix.  For more information on specific plant mixes, click here.

Standard Mix Accent Mix Custom Mix
Hydropack Web clear hydropack-mix-flore-web stipa
Comprised of several varieties of sedums and aromatic, herbacious, and perennial plants.  This mix requires minimal day-to-day maintenance and only a 10-day lead time to order. Same base plants as the Standard Mix, but with 1-2 plugs of accent plants in each module to effortlessly enhance aesthetic appeal. Featuring a flexible selection of species planted to order, this plant mix can feed the aesthetic needs of any green roof project.



Hydropack is quick and easy to install


Hydropack is placed directly above a roof's waterproofing membrane and can be easily cut to fit uniquely shaped applications.  Thanks to its all-in-one design, Hydropack can be easily removed to fit with new roof layouts or to address a problem with the waterproofing membrane.






Hydropack Specifications

Hydropack is made of 100% recycled HDPE and polyester fiber filter.

  Nominal dimensions per unit produced 2 ft. x 1.3 ft. x 4 in. 600 x 400 x 100 mm
Material Tray black 100% HDPE from bottle caps
Filter fabric Non-woven 3 oz. sq. ft. Non-woven 100 g/m2
Growing media FLL compliant, adapted to North America
Vegetation Standard/Accent/Custom
Water Water reserve (ASTM E2398) 0.22 gal per sq. ft. 9 liters/m2
Runoff coefficient (UWM research)  0.3 in average  
Rainfall retention 1.3 inches 33 mm
Max. water retention (ASTM E2397) 0.83 gal. per sq. ft. 34 liters/m2
Drainage Number of drainage holes 47, 3/8" per sq. ft. 500, 9mm holes/m2
Drainage clearance above membrane 1.2 inch 30 mm
Weight Dry weight (ASTM 2397) 15 lbs. per sq. ft. 75 kg/m2
Fully saturated weight, dead load (ASTM 2397) 22 lbs. per sq. ft. 108 kg/m2
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As an expert in green roofs, Vegetal i.D. is a member of:

adivet association des toitures végétales   GRHC-white-no-background-copy-smaller Milwaukee Water Council AIA-provider-logo

US Green Building CouncilPole Dream, Pole de compétitivité eaux et milieux - région CentreGreenroofsGTTV Conseil GTTV 

Looking for a product to achieve a successful green roof or achieve your on-site stormwater management goals? As experts in green roof and stormwater management products, Vegetal i.D. is a manufacturer and provider of green roof and stormwater management solutions.  Vegetal i.D. stays with every project from concept to installation so with Vegetal i.D. your never on your own.

Vegetal i.D. offers modular extensive green roof products such as Hydropack®, stormwater management solutions and green roof solutions for any pitch using Acropack.