PresseBox
Pressemitteilung BoxID: 919716 (Dennert Poraver GmbH)
  • Dennert Poraver GmbH
  • Mozartweg 1
  • 96132 Schlüsselfeld
  • http://www.poraver.de
  • Ansprechpartner
  • Stefan Kastner
  • +49 (9552) 92977-11

Thermal insulating lightweight concrete with Poraver® as lightweight aggregate to improve the final product properties

(PresseBox) (Schlüsselfeld, ) Poraver® expanded glass is a lightweight aggregate according to DIN EN 13055-1 and ideal for the production of lightweight concrete (LWC). The structural and thermal insulation properties of Poraver® enable a wide range of concretes for different applications.

With Poraver® you can produce purely mineral construction materials that meet all requirements to building physics and building biology with excellent values. Especially thermal insulation is very important. By adding Poraver®, a suitable monolithic building material can be produced depending on the application. Time-consuming and costly external thermal insulation composite systems (ETICS or EIFS) can become superfluous.

Applications for thermal insulating lightweight concrete with Poraver®

Walls & thermal separations

Compared to other lightweight aggregates, Poraver® expanded glass has a very positive ratio of compressive strength to bulk density. This enables single- and multi-layer structures with very good thermal insulation properties and at the same time good compressive strength. The production of load-bearing and insulating roller shutter boxes is feasible due to the excellent properties of Poraver® lightweight concrete, as well as the thermal separation of windows, door frames and other components.

Insulation of flat roofs & ceilings

In modern residential buildings with a flat roof, bound Poraver® can be installed as a load-bearing roof insulation. For suspended ceilings, bound Poraver® serves as a levelling layer to cover pipelines and as an insulating base layer for underfloor heating systems. The use of Poraver® contributes to meet the requirements of modern passive houses and ecological standards in construction.

Production

By using different Poraver® grain sizes, thermal insulation concretes with densities from 270 kg/m³ to 800 kg/m³ can be produced. Based on the available grain fractions, an optimized grading curve can be created. Depending on the requirements, thermal conductivities of ≥ 0.07 W/(m∙K) or 28d compressive strengths of up to 13 N/mm² can be achieved for thermal insulating lightweight concretes. In general, Poraver® can be used to produce porous and dense lightweight concretes of all density classes.

Guide formulations

On request, we offer various guide formulations for lightweight concretes with Poraver® of different density classes. In addition, if you need support by our application engineering department, don’t hesitate to contact us! Please use our contact form!

Poraver® advantages at a glance
  • Weight reduction
  • Excellent thermal insulating properties
  • Non-combustible (Building material class DIN 4102-A1)
  • Consistent lightweight aggregate quality due to industrial production
  • Secured availability
  • Protects natural resources (made from post-consumer recycled glass)
Examples of applications for Poraver® LWC
  • Monolithic or multi-layered wall construction
  • Thermal separations on floor slabs
  • Insulation of roller shutter boxes
  • Thermal separation bricks
  • Mineral insulation for flat roofs
  • Bound levelling fill for covering pipelines
  • Load-bearing insulating layer under underfloor heating systems

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