Electricity from the roof, but please make it look nice

The Erlus energy roof is a photovoltaic in-roof solution that combines aesthetics and weather protection with electricity generation. The modules can replace conventional roof tiles.

Energy transition, mandatory PV installations in many federal states, funding programs and high electricity prices: Photovoltaics are now a standard feature on every new residential building.The question is no longer whether, but how. Rooftop PV systems still dominate, but for high-quality residential buildings, the question remains: How can the visual impact of the architecture be maintained despite photovoltaics? This is exactly where in-roof systems like the Erlus energy roof come into play.  

Indach is another Niche market with design aspirationsThose who opt for an in-roof system save themselves the additional mounting system, because the Photovoltaics are integrated directly into the roof membrane. At the same time, the roof's appearance and the aesthetics of the tiles are preserved.  

PV module conceived from the brick  

Photo: © ERLUS

But how can PV be integrated into the roof and simultaneously provide the same level of protection as a clay roof tile? By... System integrated into the brick logicThat's why Erlus has the energy roof. planned from the brickwork sidet. And that's precisely what's new about this development.

"Four years of research lie behind us. Now we have created a high-quality brick replacement module that offers the same protection as brick," explains [name/title of person]. Dr. Tobias Wähler from the Research and Development department.  

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Module with interlocking joint as in the ERLUS Level RS  

The PV module received the same triple head and side folding like the clay roof tile. A high-quality aluminum rail forms the visible lower edge of the module and thus integrates into the angular, smooth look of the roof surface of the Level RS model. The extremely high, certified Rainproof and hail resistance class 4 are in no way inferior to Level RS. Here the difference between ordinary in-roof PV systems with simple connection frame solutions and the genuine tile replacement module ERLUS Energy Roof becomes particularly clear.  

PV as part of the building envelope  

A module that produces electricity and provides protection like a roof tile is still the exception.The Erlus energy roof eliminates the traditional separation between roof covering and energy system. The modules are not attached to the roof, but are integrated into the roof covering. This creates a closed roof surfaceThe aesthetics of the smooth brick Level RS are retained.  

Our preview of 10 kg module weight The component weighs significantly less than many in-roof solutions on the market. This low weight facilitates handling and reduces the load on the substructure. At the same time One module replaces 6,5 roof tiles. – The installation remains across the entire surface, rather than at specific points. This saves costs in two ways: on materials and labor. Furthermore, due to its low weight of only approximately 17,4 kg/m², the Erlus energy roof is also well-suited for renovations, for example, with older and less load-bearing roof structures.

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