Xella International GmbH

Energy-saving walls for an energy transition

Xella International GmbH is an internationally operating manufacturer of wall and drywall construction materials. The brand names Ytong, Silka, Multipor, Hebel and Fermacell are united under its umbrella.

Energy mostly escapes through the exterior walls. A reliable, energy-focused building refurbishment including thermal insulation systems allows saving a substantial proportion of the energy consumption. Around 80% of the insulation material used consists of polystyrene rigid foam. According to studies commissioned by the NDR - North German Broadcastings - the material used for this purpose...

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Issue 09/2016 Ytong

Recycling of autoclaved aerated ­concrete residues

In mid-May 2015, Xella Deutschland and Interseroh together have implemented a big bag concept for the disposal of Ytong autoclaved aerated concrete and Multipor mineral insulation boards. Since then,...

Issue 12/2011

Interview with Oliver Esper, CTO of Xella Group

BFT INTERNATIONAL: Mr. Esper, Xella is the largest autoclaved aerated concrete producer in the world. What‘s the annual AAC output of the Xella operations?  O.E.: Our 43 Ytong plants will produce...

Issue 04/2013 F.C. Nüdling GmbH

Liapor NeoStone provides excellent thermal insulation

When building a house, there are several ways to comply with the statutory provisions concerning energy saving standards: Often single-skin masonry constructions are used in combination with a...

Issue 03/2013 Geolyth Mineral Technologie GmbH

Free-flowing thermal insulation

Pourable, sustainable and easy to dispose of - that is how the future insulating material should be. They should, in addition, be classified to fire-resistance A1 without any loss of the thermal...

Issue 02/2015 KLB Klimaleichtblock

Energy Saving manual for 2014/2016 EnEV

First amendments to the Energieeinsparverordnung (EnEV; German Energy Saving Regulation) have entered into force on 1 May 2014; additional amendments will be adopted at the beginning of 2016. Policy...