Pump House Transformed with Lush Vertical Garden

In the heart of Helsingborg, Sweden’s first public vertical garden transforms a former pump house into a green landmark. Designed with the flexible SemperGreenwall Outdoor system, this living façade not only enriches the cityscape but also serves as a research project advancing Sweden’s knowledge of urban greening.

Cleaner air

1 m² of living wall filters fine dust, absorbs 2.3 kg CO₂ and produces 1.7 kg oxygen per year.

Cradle to Cradle certified

SemperGreenwall systems meet the highest standards for quality and sustainability, holding a Bronze-level Cradle to Cradle certification.

Extends facade life span

A living wall shields your facade from sun, rain, wind and temperature changes, extending its lifespan.

A Vertical Green First for Sweden

Sweden’s first public vertical garden was constructed on a pump house in the centre of Helsingborg. The building was adorned with a SemperGreenwall, chosen for its flexibility and durability. Helsingborg is highly ambitious in finding innovative solutions to address climate change, and this project not only beautifies the city but also serves as an object of research to elevate Sweden’s knowledge of living walls.

Mounted on the arched façade of the pump house

The SemperGreenwall spans an area of 32 m². The wall is made up of Flexipanels, a flexible modular system especially suitable for curved surfaces. Behind the panels lies a watertight layer and a layer of air, protecting the building structure. An advanced irrigation system carefully monitors the amount of water and nutrients released, ensuring a lush green wall throughout the year. A total of 21 different plant varieties were used in the installation, ranging from grasses and fixed plants to ferns. The overgrowth combines ornamental garden species with plants naturally found in the Swedish countryside. Vision of a city in balance According to Magnus Jälminger, chairman of Helsingborg’s urban planning department, the city is becoming increasingly compact, making it vital to integrate nature into the urban environment.

Growing Knowledge, Greening Cities

Living walls provide an innovative way to restore balance between urbanisation and greenery, improving both quality of life and sustainability in cities. Dissemination of knowledge on living walls At the time of the installation, living wall projects were still relatively new to Sweden. To support scientific development, the Swedish University of Agricultural Sciences (SLU) was involved, ensuring that the project contributed to the dissemination of knowledge and expertise on vertical gardens. Ecological and social advantages A SemperGreenwall offers numerous ecological and economic benefits. It helps cool cities by reducing heat and increasing humidity, while also absorbing CO₂ and suspended dust particles, thereby improving air quality. In addition, living walls absorb sound and can reduce ambient noise levels by up to 8 decibels. Research shows that green environments enhance well-being, lower stress levels, and stimulate productivity – further strengthening the value of such projects.

Photo credits: Greenworks (Stockholm)

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