Collyer Quay, Singapore

To provide the Green Roof System to enable planting on the roof of the activity shed cum shelter at the pier.

Elmich Green Roof was chosen because it is light and easy to install.

VersiDrain^® 25P, drainage and water retention trays, were installed on the roof and covered over with a filter fabric to enable a lightweight, primarily soil-less inorganic planting media to be installed on the trays. The plants used were carefully selected for their drought-tolerance and also for colour to create the flowing pattern on the roof.

An automated irrigation system was incorporated to aid in initial plant establishment and also for subsequent regular delivery of water for irrigation.

The green roof of the shed provides thermal insulation that keeps the activity space below cool. Additionally, the green roof enhances urban aesthetics, presenting guests from the adjacent hotel and occupants of neighbouring skyscrapers to enjoy the view of a soothing planted roof instead of an exposed hot concrete roof. Furthermore, in the highly urbanised context of the Marina Bay, the green roof helps to mitigate urban heat island effect and keep surrounding ambient temperature down.

Choa Chu Kang Polyclinic – Singapore

To provide the Green Wall System to enable planting on both sides of a wall along the corridor of the Polyclinic’s reception area, one side facing the reception area in an indoor environment, and the other, facing the landscaped courtyard totaling 75 m2 , and a second green wall of 8 m2 at the courtyard on the 3rd floor.

Free-standing steel frameworks were constructed in between pillars along the reception area. Anchoring pilasters were then installed on both sides of the framework as well as on the pillars in between to enable the creation of a continuous green wall. At the 3rd floor, anchoring pilasters were installed directly onto the wall at the courtyard. VGMs, comprising a geotextile bag filled with soil-less lightweight planting media, were planted in a nursery environment 3 months before intended installation to ensure firm establishment of plants. Metal support frames were attached to the pre-planted VGMs on site, before mounting the modules onto the pilasters. Automated drip irrigation and fertilization systems were incorporated for both walls. The Elmich Green Wall system allows individual modules to be removed and remounted, making maintenance and replacement of modules and/or plants easy.

The green walls provide a pleasing and therapeutic green ambience for patients and visitors to the Polyclinic.

One North Residences – Singapore

To provide a modular green wall system to enable vertical greening of 2 separate high walls totaling 50 m2 located at the 8th floor of the condominium.

Stainless steel parallel support beams were installed onto the walls on which anchoring pilasters were welded. To allow adequate time for plant establishment, Vertical Greening Modules (VGMs), comprising a geotextile bag filled with soil-less lightweight planting media were pre-planted in a nursery environment 3 months prior to installation. The VGMs were then encased in metal support frames on-site and mounted onto the pilasters, followed by an automated drip irrigation and fertilisation systems, and installed for each of the walls. The Elmich modular system allows easy removal and remounting of individual VGM for maintenance or replacement whenever necessary.

The green walls grace both sides of the area fronting the gymnasium and the lounge and recreational area and provide a pleasant cool ambience for residents.

15 Joan Road – Singapore

To provide the Green Roof system to facilitate planting on the existing metal roof tops of the main building as well as the adjacent buildings at this address.

Elmich Green Roof was chosen because it is light and easy to install.
VersiCell structural drainage/insulation cells were used to fill the space between the metal ridges of the metal roofs, providing a ventilation layer and also creating a level flat surface. A separation sheet and geotextile was laid on top followed by installation of VersiDrain 25P drainage and water retention trays.

A filter fabric is positioned over the trays and EnviroMix GR, a lightweight and primarily inorganic planting media, installed on top for the planting of selected drought-tolerant plants.
An automated irrigation system is incorporated on the roofs for use during the initial plant establishment and to deliver water in prolonged periods of drought.

HDB Car Park Roof @ 309B Ang Mo Kio Avenue 1 – Singapore

To provide the green roof system including the lightweight planting media to convert the roof of the existing car park into an accessible and aesthetically pleasing green amenity area.

The green roof uses VersiDrain 25P to provide water retention and drainage, and a geotextile filter fabric to retain the lightweight planting media.

VersiDrain 25P keeps the manicured lawn on the roof well irrigated and thriving during dry spells, through delivery of stored water via evaporation and capillary action. It also prevents water logging after heavy rain by facilitating drainage of excess water. The green roof also provides thermal insulation, reducing the transference of heat from the roof to the car park level immediately below. The trays also offer protection to the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.

The green roof enhances urban aesthetics as residents in the vicinity get to enjoy the view of a cool soothing green roof instead of an exposed hot concrete roof. Additionally, in a highly urbanised HDB estate, the green roof mitigates urban heat island effect to keep the surrounding ambient temperature down.

VivoCity – Singapore

To provide sub-surface drainage beneath planted areas and also waterproofing membrane protection on the roof.

VersiCell drainage modules were installed to provide the cavity beneath the landscape roof to facilitate efficient sub-surface drainage. An open surface design and high internal void enables VersiCell to rapidly capture and transport excess water preventing the planted areas from becoming waterlogged.

VersiCell modules interlock to form large panels ensuring that they stay securely in place, especially necessary for the larger areas. It also provides a protection layer for the waterproofing membrane, prolonging its serviceable life.
The landscape roof incorporating a tropical island resort-like feel with many coconut trees has played a pivotal role in helping VivoCity to win the inaugural SIA-NParks Skyrise Greenery Award.

HDB Car Park Roof @ 180 Edgefield Plains – Singapore

To provide sub-surface drainage beneath planted areas on the intensive green roof as well as protection for the waterproofing membrane.

VersiCell^® drainage modules were installed to provide a drainage cavity beneath the geotextile filter fabric layer and the planting soil above. Its open surface design and high internal void enables VersiCell^® to rapidly capture and transport excess water after heavy rains, preventing the roof from becoming waterlogged.

High compressive strength allows its use under the trafficable and the heavy load-bearing areas of the roof. Additionally, the modules also provide a protection layer for the waterproofing membrane, prolonging its serviceable life.
The landscape roof mitigates urban heat island effect by sheltering the car park roof from the sun, reducing surrounding ambient temperature. Transference of heat to the car park level immediately below is also consequently reduced. The landscaped roof installed, with numerous large and shady trees, resembles a wooded country garden. It is aesthetically pleasing and provides additional shaded amenity and recreational space for the residents in the vicinity to enjoy.
The landscape roof also offers environmental benefits by acting as an air and chemical filter. Stormwater runoff is filtered at source, prolonging its residence time, thus alleviating downstream flooding.

HDB Car Park Roof @ 88 Tanglin Halt Road – Singapore

To provide the intensive roof system to enable the establishment of a landscape roof on the roof of the car park.

VersiCell drainage modules provide a drainage cavity beneath the geotextile filter fabric layer and the planting soil above. An open surface design and high internal void enables VersiCell to rapidly capture and transport excess water, preventing water-logging. The high compressive strength of the modules allows its use under trafficable areas. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
The landscape roof enhances urban aesthetics as residents in the vicinity as well as commuters from the neighbouring MRT Station get to enjoy the view of a cool soothing green roof instead of a dull exposed hot concrete roof. Additionally, the green roof mitigates urban heat island effect in the highly urbanised HDB estate to keep the surrounding ambient temperature down.

HDB Car Park Roof @ 28 Dover Crescent – Singapore

To provide sub-surface drainage beneath planted areas as well as protection for the waterproofing membrane on the rooftop.

VersiCell drainage modules were installed to provide a drainage cavity beneath a geotextile filter fabric layer and the planting soil above. The modules’ open surface design and high internal void enables it to rapidly capture and transport excess water, preventing the roof from becoming waterlogged after heavy rains. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
The landscape roof is not only aesthetically pleasing but also performs a vital role in reducing ambient temperature and the transference of heat to the car park level immediately below.
The landscape roof also offers environmental benefits by acting as a chemical, biological and particulate filter, filtering stormwater runoff at source, and helping to alleviate downstream problems associated with heavy downpours by prolonging residence time on the roof.

HDB Car Park Roof @ 18 Holland Drive – Singapore

To provide the intensive roof system to enable the establishment of a landscape roof on the roof of the car park.

VersiCell drainage modules were installed to provide a drainage cavity beneath a geotextile filter fabric layer and the planting soil above. VersiCell with high internal void and an open surface design is able to rapidly capture and transport excess water, preventing the green areas on the roof from becoming waterlogged. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
Both intensive and extensive green roofs were installed side-by-side on this HDB car park roof top making it uniquely attractive. Residents in the vicinity enjoy a cool and aesthetically pleasing green roof instead of a hot exposed concrete roof.
The green roofs mitigate urban heat island effect, keep surrounding ambient temperature down and reduce transference of heat to the car park level immediately below. Additionally, they also offer other environmental benefits, by acting as a chemical, biological and particulate filter, filtering stormwater runoff at source, and helping to alleviate downstream problems associated with heavy downpours.