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Achieve shading and maximize aesthetic potential via vegetation-covered vertical surfaces.

There are two categories: (1) Green facades are wall systems where climbing plants or cascading ground covers grow on supporting structures; (2) Living walls/Biowalls/Vertical Gardens are composed of pre-vegetated panels. Substructures are either modular trellis systems (rigid light weight panels) or cable and rope wire systems (high-tensile steel cables). Climbing plants are divided into self-supporting plants (root climbers, adhesive suckers) and plants that need supporting structure (twining vines, leaf-stem climbers, leaf climbers, and scrambling plants).

Early coordination with landscape architect.

Exterior green walls reduce the solar reflectance of a structure and can provide natural cooling by means of shading and evaporation, reducing the building’s surface temperature.

Reduced urban heat island effect; cooler micro environment through evaporative transpiration; reduced energy consumption; quieter through sound absorption.

Living walls perform well in full sun, shade, and interior applications, and can be used in both tropical and temperate locations. They require more intensive maintenance (regular water, nutrients, fertilizer) than green facades. Installation set 3 to 18” (0.07 to 0.45 m) from the wall surface is recommended to prevent plants attaching directly to wall. Pre-grown panels for living walls require lead-time of 6 to 12 months prior to delivery. Install water supply, power supply for an automatic drip irrigation system and a standard fertilizer loop at least one month prior to installation of living wall.

1.1.3 Building Orientation
1.4.9 Green Roofs
2.1.1 Rainwater Storage and Use
4.6.1 Heat Island Effect