Alpine Meadow (Ontario Only)

Alpine Meadow (Ontario Only)

Pollinators’ Haven

A cost-effective solution that saves energy & increases climate resilience

Mats available in Ontario only

Key features

A pre-vegetated system that protects and restores habitats

  • Grown in Ontario
  • Pre-vegetated mats containing pollinator-friendly native plants
  • Biodiverse green roof as defined by Toronto Green Standard (TGS)
  • Contains 150 mm of lightweight, engineered growing medium
  • Flowers all growing season to provide nectar for bees & butterflies
  • Native plants meet LEED SS Credit: Protect or Restore Habitat
  • Ideal for enhancing biodiversity & supporting pollinators
Alpine Meadow 3D With Text

Properties

Product CodeProduct NameThickness (mm)Dry Weight (kg/m2)Saturated Weight (kg/m2)Water Retention (l/m2)
NL719Meadow Blanket20.0019.7037.0017.30
NL630Growing Medium150.00105.00204.0099.00
NL400Filter Fabric0.550.100.400.30
NL300Drainage Mat17.000.340.340.00
NL120Root Barrier0.500.460.460.00
Total188.05125.60242.20116.60
Product CodeProduct NameThickness (inch)Dry Weight (psf)Saturated Weight (psf)Water Retention (inch)
NL719Meadow Blanket0.794.037.580.68
NL630Growing Medium5.9121.5141.803.90
NL400Filter Fabric0.020.020.080.01
NL300Drainage Mat0.670.070.070.00
NL120Root Barrier0.020.090.090.00
Total7.4025.7349.624.59

LEED & TGS v4 Compliant

LEED & TGS v4 Compliant

  • Meets TGS WQ 1.3 On-Site Green Infrastructure as a biodiverse green roof
  • Uses natives listed in the Design Guidelines for Biodiverse Green Roofs
  • Use of native plants meets LEED SS Credit: Protect or Restore Habitat

Low Maintenance

Low Maintenance

  • Ontario native plants that are specially selected to thrive on rooftops
  • Pre-grown natives are heat & drought tolerant with low nutrient needs
  • Perennials come back year after year, also propagate by seeds

High Performance

High Performance

  • Engineered growing medium is formulated for longevity and vitality
  • 7mm initial abstraction for water balance calculation per Toronto Water
  • Supports grey water reuse onsite via automatic irrigation systems

Supports Biodiversity

The Alpine Meadow brings nature back to the urban core with native hardy plants – pre-grown in a blanket. Instant green upon installation, it is a pollinator’s haven providing nourishing pollen and nectar, as well as nesting habitats. The Alpine Meadow meets TGSv4 WQ 1.3 2. Intensive Green Roof and 3. Biodiverse Green Roof.

Manages Stormwater

Meets TGSv4 1. Water Balance. Stormwater retention can be increased with the Hydro Blanket or recycled polymeric water retention layers that are lighter in weight and hold more rainfall compared to traditional growing medium.

Projects That Use Alpine Meadow

Technical Document Downloads

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In-Person Presentations or Live Webinars


Engineering Green Roofs for CoV’s Rainwater Management Plan

Green roofs play a key role in the City of Vancouver’s (CoV) new simplified rainwater management (RWM) requirements for new Part 3 buildings that took effect on Jan 1. We will learn how to design green roofs to help meet CoV’s retention/detention requirements and when upgrading to a blue-green roof can increase ROI.

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Engineering Green Roof Systems to Optimize SWM 2.0

2.0 is a deep dive into the latest stormwater retention and detention technologies. Learn to use modeling to meet water balance and quantity control targets through initial abstraction and irrigation water reuse. Recognize opportunities and limitations. Case study demonstrates performance and cost savings.

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Strategies to Meet Policy & Design Goals in Toronto

Check off multiple requirements set by the Toronto Green Standard (TGS) & Wet Weather Flow Management Guidelines (WWFMG). Success requires collaboration between architect, landscape architect & engineers, as well as understanding components, their functions & selection criterion to achieve specific goals.

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NutsN’Bolts: A-Z of Essential Tips to Achieve Success

This three part series navigates through the complete green roof process; from recognizing opportunities, to planning, to material selection and system design with emphasis on stormwater management, to specifications and drawings, to clarity in construction documents and, finally green roof aftercare and maintenance for long term success. (3 hours over 3 weeks)

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Cost Saving Strategies to Meet Toronto’s Green Roof Policy

Love ’em or hate ’em green roofs are everywhere and can check off multiple requirements set out by the Toronto Green Standard (TGS) and the Wet Weather Flow Management Guidelines (WWFMG). This webinar explores functions and selection criterion, and the collaboration between architect, landscape architect and engineer to achieve specific design goals.

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Wind Design for Modular Vegetated Roof Assemblies

Webinar about the CSA A123.24: Standard Test Method for the Wind Resistance of Modular Vegetated Roof Assembly (VRA) reviews the two key test components that measure wind uplift and wind flow resistances. Videos & case studies help demonstrate how VRAs behave at different wind pressures and wind speeds.

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