Values, vision, and mission.

Innovation in sustainability.

Benefits of DDL products.

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R & D


DDL Arg aims to be ahead in the lime mortars sector, investing continuously in its R & D activities for product innovation, in order to obtain wider and better technical solutions, and to develop customized products and solutions in response to the client´s specific needs.

The R & D and Innovation activities primarily to develop ecologically sustainable solutions, namely with the utilization of light aggregates originated from forest, agricultural and industrial waste, and to provide a clear alternative to the ETICS system, reducing the environmental impact of the coating solutions. ​

The DDL Arg company has a long time established partnership with the University of Aveiro, for the development of new products resorting to the university's human and technological resources which takes form in its status as a spin-off company of the University of Aveiro.

In parallel, DDL Arg integrates the Amorim Cork Ventures project, sharing its facilities in Paços de Brandão, functioning as a partner who looks for the development and manufacture of products and research projects with the purpose of developing new approaches to the cork application. 

From the several ongoing research projects we can highlight the ECOInovArg, a Thermal Coating Insulation Mortar Solution, project developed with the support of the European Commission, and the Evolution Cork Mortar (ECM) project, a lime mortar for a Thermal and Acoustic Insulation Solution – with an International Patent pending.


  1. Lower energy consumption due to a better thermal efficiency on the buildings.

  2. Use of materials originated from forest, agricultural and industrial waste, promoting the re-utilization of end-of-life materials.

  3. Non-use of petroleum products as additives, reducing the environmental impact.

  4. Use of non-toxic additives, avoiding environmental contamination.

  5. Reduction of the mortars bulk density by using light aggregates reduces energy consumption on the transport.

  6. Use of less binder percentage compared to other lime mortars, with higher thermal efficiency, less weight and less non-renewable raw-materials consumption.