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  • Begrünte Dachfläche mit Solaranlage
  • Roof garden with walkways
  • Green roof on an underground garage
Vegetated barrel roof in the city

The spectacular St. Lawrence Market North in Toronto stands out with its impressive barrel roofs.

Green Arc: Highlight Barrel Roof

09.03.26

St. Lawrence Market district, which comprises the St. Lawrence Hall and the South and North Buildings, has been a historic landmark in Toronto for over 200 years. Integrated into this heritage-rich context, the new five-storey St. Lawrence Market North commands attention with its glass atrium and the striking greened barrel roofs, covering an area of 1,500 m². This extraordinary green roof sets a new benchmark for architecture and sustainability. Installing a green roof on a 45° pitched surface pushes the boundaries of sloped green roof construction.

Djordje Spremic

Djordje Spremic is the new Managing Director at Zinco GmbH

26.01.26

On 1 January 2026, Djordje Spremic became Managing Director of the renowned green roof pioneers, Zinco GmbH in Nuertingen, Germany. As part of a generational change, he will assume the company’s strategic and operational management, initially in collaboration with Ulrich Schäfer and Dieter Schenk, the Managing Directors to date.

EPD Norway logo

Zinco provides project-specific Environmental Product Declarations (EPDs) and thereby discloses the environmental impact of their green roof systems.

Environmental Product Declarations (EPDs) for Zinco Green Roof Systems

17.09.25
Environmental Product Declarations (EPDs) for building materials are becoming increasingly important as they provide planners and decision-makers with a transparent and reliable source of information. For manufacturers, providing this data is still voluntary, but EU directives are expected to make it mandatory in the future. Zinco was a pioneer in the green roof market with its first core EPD back in 2020. With the latest 2025 verification, almost all products within the Zinco green roof systems are now included, enabling customers to access comprehensive EPDs including project-specific versions in a well-structured format.
Layer structure of the HydroSpacer

The “HydroSpacer HS 170” in the Zinco System Build-up “Sponge City Roof” can store up to 160 l/m² of water. Up to 11 l/m² of this can be provided to the plants each day.

HydroSpacer revolutionises Sponge City Roofs

17.09.25
For over ten years now, Zinco has been a pioneer of high-performance systems for the retention and evaporation of stormwater on roofs. Their latest innovation, the HydroSpacer, adds yet another dimension to the market. This allows Zinco to come closer to its goal of bringing the water balance of a developed area closer to that of an undeveloped area. Following a rainfall event, the HydroSpacer in the System Build-up “Sponge City Roof” can store up to 160 l of water per m² of roof area and can provide up to 11 l of water per m² daily to the plants – and this is done all by itself, thanks to the physical effect of capillarity.
Pitched green roof

The events hall of the LiUNA Local 183 building complex is literally encased in green areas.

The steepest green roof in Ontario - roof pitch up to 50°

11.06.25

The new LiUNA Local 183 union building in Vaughan

The new LiUNA Local 183 union building in Vaughan is the headquarters of the largest construction local union in North America and stands out as an architecturally distinctive structure. This striking complex is enveloped on all sides by approximately 11,700 m² of green roofs – an integral element of its LEED sustainability certification ambitions. The vegetated surfaces extend to roof slopes of up to 50°, making LiUNA the site of Ontario’s steepest sloped green roof.

 

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