Versa Wall® XT Design

System Design

Technical system design of Versa Wall XT System.


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Interior plant walls require supplemental lighting in order to thrive and be sustainable over time. We recommend a photometric light study prior to plant selection, as plant performance directly correlates to the lighting levels provided.


Plants need fairly bright light to thrive. They can survive with lower light, but won’t perform well and will lose their vigor and die over time. GSky recommends a minimum of 150 foot candles (1,500 lux) of light evenly flooded across the plants.


Photosynthesis is the process by which plants convert light into energy (sugar). Chlorophyll is the molecule in plants that reacts with light. It reacts to specific wavelengths of light that are measured by nanometers or “color temperate”. GSky recommends lighting with a color temperature of 4,500K to produce healthy plants.

Light Distribution

Producing an even flood that does not have “hot spots” and “cold spots” on the wall is vital to the success of the Versa Wall. If uneven lighting occurs, the wall’s watering requirements will change and be uneven across the wall as well. This all lends to difficult maintenance and owner strife. An even distribution of light across the wall is crucial to the wall’s success.

Lighting Requirements

• Light Intensity > 150 Foot Candles (1500 lux)
• Color Temperature =+4,300 Color Temperature
• Lighting should produce an even distribution of light across the wall
• LED is recommended (Metal Halide is an option)
• Minimum distance of 5’ for non-LED lighting
• Timer required to produce 10-12 hours of light


The Versa Wall System distributes water throughout the wall in a closed system so no water escapes forward or behind the wall. Water is pumped to the top and flows from tray to tray to the bottom.

Versa Wall XT driplines provide controlled water to every tray on the wall. The design of the XT trays allows for even distribution of water to each plant and minimizes excess.

Trays are designed to hold a measured amount of water for each individual plant. Plants do not compete for water.

This means no soil spills out of the wall and no water spills forward. This assures that the green wall will be neat and spotless


Irrigation Options


Plant Design Process

In a typical construction scenario where a design group is involved, GSky will work with the owner and design groups to take your design wishes and turn them into a beautiful plant design. GSky’s designers will work directly with the owner group to provide turnkey design/build solutions.

Coordination Process

1) Ongoing discussion with owners/architects about design intent for the space.
2) Evaluate the site and environmental conditions for plant material.
3) Formulate the plant design concept with suggested plants once the shop drawing sign-off is obtained.
4) Once design concept is finalized and approved the realistic install date is established so plants can be secured.
5) Plants and materials are sent to the nursery who will plant it up into the final design to grow for the agreed upon time which depends on the time of year and region and plants desired.


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