Prefabricated Extensive Green (PEG™) Roof Tray System
Application: Rooftop Greening
System: PEG™ Roof Tray System by HDB
Implemented by: Plantwerkz Pte Ltd
A HDB Patented Product
Plantwerkz has incorporated the Prefabricated Extensive Green (PEG™) roof tray system across selected projects as a practical approach to rooftop greening. The system supports efficient installation and flexible layouts while helping to transform underutilised roof areas into green spaces.'
PEG™ roof tray system applied to HDB rooftop greening
What is the PEG Tray System?
The Prefabricated Extensive Green (PEG™) roof tray system is a modular green roof solution designed to support rooftop planting in a lightweight and structured format. Each tray holds the planting media within an individual unit, allowing greenery to be installed efficiently while supporting water storage, drainage, and ease of maintenance.
Benefits of using (PEG™)
Roof Tray system
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The tray-based format allows green roof areas to be installed in manageable sections, making it suitable for rooftop and built-environment applications.
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PEG Tray systems can be arranged in modular grids, allowing planting layouts to be adapted based on the project design and rooftop conditions.
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The system is designed with water storage and drainage functions, helping to support plant growth while allowing excess water to be discharged.
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Individual trays can be accessed, removed, or rearranged when required, making future maintenance works more practical.
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By introducing vegetation onto roof surfaces, PEG Tray systems help enhance greenery, support biodiversity, and contribute to cooler, more liveable urban environments.
Applications of the PEG™ Roof Tray system
From residential rooftops to institutional and commercial developments, the PEG™ roof tray system can be adapted across a range of built environments. Its flexible tray-based format allows rooftop greenery to be planned and installed across different project scales, site conditions, and design requirements.
HDB Rooftops
The PEG™ roof tray system helps soften rooftop spaces within high-density residential environments while supporting broader urban greening efforts.
Blk 7B Commonwealth Ave
School & Educational Environments
For schools, the PEG™ roof tray system supports the integration of greenery into rooftop or outdoor spaces, contributing to a more comfortable and biophilic environment for students and staff.
Blangah Rise Primary School →
Integrated Green Roof Projects
For larger developments, the PEG™ roof tray system supports rooftop greenery as part of the overall landscape design, enhancing visual quality, ecological value, and the built environment.
