DELTA-XX PLUS® UNIVERSAL
The long-lasting membrane can be used on pitched roofs with or without formwork. It meets the requirements of ZVDH product data sheets UDB-A and USB-A and is therefore also suitable for use as temporary roofing. Alongside classic use below roof tiles, DELTA-XX PLUS® UNIVERSAL can also be used as a base layer under metal roof coverings, fibre cement panels or slate, as well as façade membrane behind ventilated cladding with closed joints. In addition, use as an airtight layer in combination with recommended constructions with wood fibreboard is also possible.

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• Equipped with the DELTA®-AMS, DELTA®-BiCo and DELTA®-AdTec technologies.
• 30-year warranty
  We guarantee that our DELTA-XX PLUS^® UNIVERSAL, expertly installed, will retain its function (resistance against water penetration: Class W1) for 30 years. If a problem arises regarding this during this time, we will not only replace the material, but also bear the cost of removal and installation. The procedure is simple: one call and we take care of it.
• Practical self-adhesive strips
  The integrated self-adhesive strip enables direct gluing of the overlap and reliably prevents the penetration of cold air and moisture to the insulation. This enables more energy efficiency and living comfort. The self-adhesive strip also enables overlapping adhesion.
  
• Maximum flexibility
  High elasticity means that our DELTA-XX PLUS^® UNIVERSAL offers greater protection in the event of unintentional contact with the toe cap (ladder) and tools. The malleability also enables simple and convenient application – including with difficult details.
  
• DELTA® protects property. Saves energy. Creates comfort

Technical data 

Quality - made in Germany

"Our products are up to any test."

Dörken keep setting new standards of quality, offering all-round solutions for roofs and cellars. The outstanding track record of its products, its comprehensive technical knowhow, and its excellent service have made Dörken GmbH & Co. KG one of the leaders in the European market for building materials. For more than 50 years, high-quality laminated sheets for roofs, façades, and cellars have been made in Herdecke under the brand name DELTA®. 

Rigid quality controls – for sophisticated demands.
First-class materials, continuously and strictly monitored at every stage of the manufacturing process, guarantee enduring functionality and a long life. For us, quality means that our customers are satisfied and their expectations have been more than fulfilled. This implies constantly checking, reviewing, and improving products and processes. To think everything through down to the smallest detail: having fulfilled this ambition for more than 120 years, Dörken remains a powerful partner of dealers, planners, and craftsmen.

Those who rely on our products will reap long-term benefits.
Our promise 'DELTA® protects property. Saves energy. Creates comfort.' may be taken literally. For our system solutions from roof to cellar produce convincing
results – worldwide. This is because the quality of our products 'made in Germany' is high, our solutions are adapted to practical conditions, products and accessories can be combined to fit exactly, and the service we offer you is excellent right from the start. 

Made in Germany – to us, more than a mere seal of quality.
Join all those who benefit from the extreme dependability and lasting functional reliability of our innovative and efficient products of proven Dörken quality which we continuously check and improve in our own test laboratories. And you may not only rely on top-quality materials. For more than 50 years, composite sheets of sustainably good quality for cellars, façades, and roofs have been made in Germany . At our group headquarters in Herdecke as well as in Hagen-Vorhalle, in one of Europe 's leading-edge production facilities for spunbonded cloth. Not for nothing are we market and technology leaders in this field across Europe