Geoplast Research papers

Sustainable Garden Roofs Developed As New Construction Material

Plataforma SINC

A Spanish research study has tested different combinations of supports and indigenous plants to determine which are the best for reducing energy consumption inside buildings. This type of roof is a “rurban,” sustainable architectural solution that will lead to a reduction in environmental and acoustic contamination levels in cities, and be visually pleasing.

Researchers from the Polytechnic University of Madrid (UPM) have built a roof covered with plants and a watering system that will optimise the consumption of a building’s heating and cooling systems thanks to its insulation. It is a third-generation ecological roof, characterised by its sustainability and the use of indigenous plant species.

“The importance of the roofs”, explained Francisco Javier Neila, Professor at the UPM and co-author of the study, to SINC, “is that each geographical area requires the structures and plant species that work best”. In this case, the researchers divided the roof of an experimental building in Colmenar Viejo (Madrid) into 20 modules, and carried out a test with different supports and regional plants based on three factors: the plant growing at a good speed, the density of the biomass perfectly covering the roof and the result being visually attractive.

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