For this reason they also wanted Permavoid technology for this playing field. The choice for a structure with the Permavoid 85Sports units was therefore quickly made.This system has been applied under the entire surface of the playing field,1056 m2. The further structure consists of a shockpad of Italian origin with an artificial grass playing field on top.

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Projects

Leiden, the Netherlands

Meelfabriek

Projects

These roofs combine water management with green infrastructure, making cities more resilient to climate change, such as more extreme rainfall and heat. The Meelfabriek is a great example of how historic buildings can be sustainably redeveloped with attention to the environment and sustainability.

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Almelo, the Netherlands

Heracles Almelo Asito

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Heracles Almelo is one of the 18 participants in the Eredivisie, the highest Dutch football league. With a rich history since its founding in 1903, Heracles Almelo is a respected club that plays its matches in the Asito Stadium. During the 2014-2015 season, a large-scale renovation of the stadium took place, and since then the total capacity went up to 12,080 seats. Starting from the 2025-2026 season it will no longer be allowed to play on artificial turf in the Eredivisie. This prompted Heracles Almelo to transition to natural grass after the 2023-2024 season, ending 21 years of playing on artificial turf.

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South Africa

Project Greensource SA

Projects

Benefits GreenSource system

We all need water to survive. Water is needed to prepare our food, to quench our thirst, and to maintain our hygiene. It's central to economic and social development and a requirement for healthy ecosystems. The global population and many economies are growing fast, and with that, the demand for fresh water increases. However the amount of available fresh water is limited and is projecte to be able to fulfill this demand. Add to this the ever more evident effects of climate change and it becomes clear that we have to think about how to better manage our water resources.

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Lviv, Ukraine

Sportcomplex Lviv

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It is planned to build several smaller training pitches, high-quality hotel- and training facilities, car parks, etc. This pitch is the main training ground of the Ruch Lwów club.

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Madrid, Spain

Real Madrid stadium Bernabéu

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Denby Dale Tennis court

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The Permavoid sports system is a lightweight polypropylene sub-base replacement layer, which allows shallow attenuation, infiltration and drainage. Hence it’s ideal for sites such as Denby Dale Tennis Club, where there is a high risk of flooding. Furthermore, given the lightweight method of construction, no heavy construction plant is required for the system. This was an added advantage for this project due to the sites access limitations.

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Liverpool, United Kingdom

Liverpool stadium Anfield

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We installed this innovative under pitch drainage and air blanket system which comprised a layer of 85 Permavoid units, laid on a welded reinforced impermeable membrane, protected by a heavy-duty geotextile. The Permavoid units provide a void through which surface water can rapidly drain and air can be blown through for soil aeration.

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MUGA sportcomplex

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The Permavoid system is used as a multifunctional subbase for synthetic turf pitches, being both high-strength and lightweight. Due to the open surface of the Permavoid units the pitch drains effectively and reliably over the entire surface, preventing standing water after peak rain events. The shallow construction depth speeds up the installation process, reduces material movements to and from site and the cellular reusable set up allows the creation of temporary and permanent sports pitches.

With an approved conventional shockpad the system is used as a system for rainwater capture, detention and/or infiltration. The Nature-based functionality of rainwater retention and capillary evaporation for adiabatic cooling of the pitch can be created using the BlueLay capillary shockpad in combination with an open-grid backing synthetic turf and natural sand infill.

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Projects

Amsterdam, the Netherlands

Sportheldenbuurt

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The football pitch contains a natural infill, from where water eventually can evaporate during hot summer days. This evaporation generates the cooling effect, allowing athletes to play safely on the pitch. Instead of contributing to the urban heat-island effect these two pitches mitigate the effects of climate change.

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Kobe, Japan

Kobe

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They observed that the surface of conventional pitches sometimes cause young players to hurt themselves. With the BlueLay water retaining shockpad and Permavoid system we managed to cool down the temperature from 40.8 degrees to 23.9 degrees Celsius on an average summer day.

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London, UK

Temporary Hockey Event The Stoop

Projects

As part of an initiative to raise the profile of hockey, England Hockey and its partners, including UK Sport and the National Lottery, have been investing in new innovative pitch technologies which will make it possible to host temporary hockey events at the highest level in the most prestigious stadiums throughout the UK.

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Manchester, UK

Manchester City Stadium Etihad

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The new build includes an air vacuum system for the first time which can pull moisture out of the pitch against the force of gravity, meaning the Etihad Stadium pitch is one of just a handful to have this type of system in the UK.

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London, United Kingdom

White Collar Factory

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SELSports were contacted to deliver a solution. The running lanes sat between the tracks the Building Maintenance Unit (BMU) uses to manoeuver around the perimeter of the building. This was a very winding route with many curves and changes of direction.

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Amsterdam, the Netherlands

Pontsteiger

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Pontsteiger provides access to the sustainable Houthavens district, located on the IJ. After a failed attempt to realize a growing area with circular water management, a second attempt was made in 2020. Together with Permavoid and the Groenfra company, the growing area of the trees was redesigned and furnished and planted with elms.

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Leidschendam, the Netherlands

Green private garden

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Water management at home, a green garden where no water goes to waste.

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Amsterdam, NL

TKI-project Citysports

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The project focuses on innovations that revolve around urban cooling solutions, the circular use of (waste) material and rainwater, and safely playing sports on artificial grass pitches. We tested at two locations in Amsterdam: Marineterrein Amsterdam and V.V.A Spartaan at Laan van Spartaan.

In spring 2020 all sensors in the CitySports research-fields came online and have recorded some impressive results already. In the middle of the hottest period so far, on June 25 around mid-day, the surface temperature of the conventional synthetic turf was 62.2 °C degrees and the cooled synthetic turf with 35.9 °C degrees just 1 °C warmer than the natural grass!

July 2024 marks a significant milestone for TKI project CitySports as our research has been published in the renowned scientific journaln Sustainable Cities! This groundbreaking work showcases how artificial grass fields can effectively mitigate climate change impacts in urban areas. By integrating subsurface water storage and capillary irrigation, we've developed and validated a sports system that cools fields and manages rainwater, creating healthier environments for both the planet and players.

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Amsterdam, the Netherlands

TKI-project Mannoury

Projects

Mannoury is a unique 64 apartment building in Amsterdam that contributes to biodiversity, quality of life and energy transition by combining a blue-green roof, gray water treatment and efficient solar panels.

The building helps to cool the city and the solar panels, reduces the risk of flooding during heavy rain, reuses shower water in dry periods and above all, creates pleasant and healthy living conditions for residents. In addition to Project Urban PhotoSynthesis, Aedes also offset the CO2 emissions from the Mannoury building. By planting 28,000 trees, the investor compensates for the integral CO2 emissions of both construction and 25 years of residence.

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London, UK

Greenstreets

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Stormwater retention capacity: resulted in 97% reduced flowrate during peak rain events.

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California, USA

Orange Highschool California

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The goal is to slow the flow of water into the sewer during periods of rainfall by detaining stormwater on-site.

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Hoeksche Waard, NL

Immanuelhof

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In this project the following elements were integrated:

Rainwater from the roof is disconnected from the sewer;
Green and flowery infiltration strips were installed in front gardens;
Central water storage in communal courtyard;
Temporary buffering of rainwater in our system under the pavement of back paths;
Permavoid water-storing foundation under parking spaces.

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India, South Asia

Colourfield India

Projects

In a bilateral partnership between the Indian Government, the Dutch Government and a Dutch consortium of companies working under the organization Dutch Sports Infrastructure (DSI), India and the Netherlands launched the first Colourfield at JLN Stadium in New Delhi.

Colourfield is a multi-functional, sustainable, mini sports arena that combines a social sports education program with a high level innovative multi-sports facility, including a solar lighting center and the Greensource system. The field exemplifies Dutch innovative technology, as well as the best practices that have been customized according to the Indian context. Owing to India’s ambition of hosting big sporting events in the future, the Indian government endeavors to promote sports in the country, among others, at grassroots level.

So with the aim of exchanging knowledge on innovative sports infrastructure, research and coaching, the concept of Colourfield came into fruition with support from the Netherlands Government, Sports Authority of India, Dutch Sports Infrastructure and other stakeholders.

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Heerlen, the Netherlands

Maankwartier Heerlen

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Maanplein in Heerlen is the central plaza in the completely rebuilt city-centre, surrounded by high rise apartment buildings. It is one of 3 interconnected rooftop parks sited above the shopping center, Central train station and a parking garage.

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It is intended as a place where people come together to walk or enjoy public events. Mature trees grow in specially designed mounds of lightweight soil on top of the roof over the shopping center. The entire square functions as a water collection basin with the use of the Permavoid 85 Capillary Irrigation System, and the water made available for the trees using the capillary irrigation system.

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Stoke, United Kingdom

Parking Bet 365 Offices Stoke

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Polypipe was selected to provide a shallow attenuation solution incorporating treatment as part of works to create a new head office for one of the world’s leading online gambling companies. Permachannel acts to capture silt and oils, whilst the Permavoid Biomat’s tri-laminate low density composite mat traps hydrocarbons.

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Amsterdam, the Netherlands

Gustav Mahlerplein

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Manchester, United Kingdom

Bloc Roof Manchester

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Work has been completed on the installation of a ground-breaking climate and water resilience research roof in the heart of Manchester. Unlike conventional green roofs, which use a drainage layer to simply remove rainwater, the 525 sq m blue-green structure retrofitted to Bloc’s flat roof stores rainwater beneath the planted surface where it lands. Advanced passive irrigation components within the attenuation layer draw water up through the structure to the underside of the green roof substrate to support surface planting.

The blue-green roof will help to develop a greater understanding of how new construction and data technologies can help cities and urban developments to mitigate the impact of climate change and population growth, while enhancing biodiversity.

Benefits GreenSource system

Smart solutions

Rainup PRO sensor technology

Accurate data on water levels provides essential insights for various applications.

Tailored watermanagement solutions

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