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Green is the new black for supermarket in Spain

When Spanish supermarket chain Mercadona decided to build a new store in a residential area in Reus, near Tarragona, they knew they had to pay special attention to aesthetics. The roof of the new store was at a lower level than the surrounding residential buildings and had a strong visual impact on the neighborhood.

Project ID

Reus, Spain

Project type

New build

Building type

Commercial building


2,600 m²


Elevate RubberGard EPDM 1.1 mm


Mechanically attached (RMA)

The challenge was to make the roof provide an aesthetically attractive image without incurring into high costs of implementation and maintenance. Elevate’s RubberGard EPDM roofing membrane had already been chosen for the project, but its dark color looked very striking in the residential setting. After considering different options, the building owner decided to use artificial grass on top of the roofing membrane.

The building’s corrugated steel roof deck was first covered with 60-mm thick PIR insulation boards, followed by RubberGard EPDM 1.1 mm thick roofing membrane. The membrane was fixed using Elevate’s RMA system, which is a non-penetrating mechanically attached system developed around Elevate’s QuickSeam RMA self-adhesive strips. Once the PIR insulation boards were fixed in place, the strips were placed as per the wind uplift calculation and were mechanically secured. The RubberGard EPDM membrane was then adhered to the strips.

On this project, the RubberGard EPDM membrane was delivered in 5.08 m wide rolls without folds. This format offers optimal flatness from the start, facilitating the installation and enabling an aesthetic finish.

The RubberGard EPDM membrane also provided a suitable support for the adhesion of the artificial grass. The end result satisfied both the property owner and the neighborhood, offering a "green roof look" without the maintenance and care that a natural green roof requires. This synthetic green roof proved to be a sustainable solution, as the region where the supermarket is located is quite dry and a real green roof would have needed to be irrigated frequently to be kept in good condition.


EPDM is the most future-proof roofing solution when it comes to sustainabilityperformance and design freedom. Learn more about the role it played within this project and many others by discovering its benefits.

How did EPDM elevate this project?



Installing EPDM is fast, flame-free and safe for people and the environment. When it comes to large roof surfaces and irregular shapes and forms, EPDM ensures a swift and easy installation process.



When creativity and high performance meet in one design, we’re talking masterpieces. Whether you innovate with shapes or functional solutions, EPDM is the answer to all challenges of modern architecture.