Protection, quality and sustainable solutions on the roof - Dörken Delta membranes

13 of March '26

Green roof on Kazimierza Wielkiego street in Krakow

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Every day, a roof must protect a home from the sun, wind or rain. To do this best and for the longest time, Dörken is constantly developing more and more durable roof membranes of a quality that sets standards for the entire industry. Dörken's range of products is tailored to meet a variety of needs, from universal solutions to specialties for green roofs to the most resilient membranes on the market.

Green track Warsaw

Four layers for roof protection

For 2026, Dörken has developed a new version of its most durable membrane, Delta Foxx Plus, which for years has been regarded as one of the most resistant on the market. The new Delta Foxx Plus is based on a unique four-layer technology. The material can withstand temperatures of up to 150°C and can remain exposed to sunlight for up to 30 weeks without losing its properties.

Delta Foxx Plus

Such performance is crucial during construction site downtime. It also has a Class B fire reaction rating, which significantly improves the fire safety of the building, and a lotus effect so that raindrops run freely down the surface, improving drainage. Delta Foxx Plus also has leakage-enhancing integrated adhesive strips on both edges and a printed grid to facilitate precise cutting.

Central Park Gdynia

A membrane to suit every need

Dörken also offers a wide range of membranes to suit a variety of building needs. The brand offers Delta Maxx Plus, distinguished by its high flexibility and high tear resistance.

Delta Maxx Plus and Delta Foxx Plus

In Generation Delta XX, Dörken also offers DELTA-XX PLUS® LIGHT, DELTA-XX PLUS® UNIVERSAL, DELTA-XX PLUS® STRONG and DELTA-XX PLUS® HEAVY, each adapted to different operating conditions. All products are ETA-certified, attesting to their high quality. The manufacturer also provides a 30-year warranty, the longest on the market today.

Delta Foxx Plus

Durable green roofs

With Dörken products, exceptional quality can also be achieved for green roofs and tracks. The company provides system solutions that work well on both intensively greened projects and extensive ones. Among its offerings is Delta®-FLORAXX, a diffusion-open accumulation-drainage mat. Delta®-FLORAXX has already been used in projects such as the Gdynia Film Center, the Solid Waste Disposal Plant in Warsaw and SKY PARK in Bratislava.