The Runkelsteiner by Jacopo Mascheroni Architecture

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Location: Bolzano, Italie

Year: 2017

Architect: Jacopo Mascheroni Architecture

The Runkelsteiner is an apartment building in the city of Bolzano, Italy, built on a quiet property surrounded by pine trees and historic buildings.  The structure, with three levels above ground, a large basement and a roof terrace, contains three full-floor units with large terraces overlooking the mountains and the typical landscape of South Tyrol.

The building shell is mostly transparent so that the interiors are flooded with natural light and the construction has a lighter impact on the surroundings.  On the East, South and West side the volume is designed with a combination of thin white frames and vertical aluminum louvers, while the North elevation has very few openings.  The white frames define the different functions of the interior layout and create independent terraces that appear as the continuity of the interior spaces through the frameless glass enclosure. The aluminum louvers, installed at the edge of the frames, are placed strategically in order to provide some privacy from the neighboring buildings.  The extra-clear glass parapets allow to read the white frames as clean rectangular shapes and grant unobstructed views from the inside.

The building reaches the highest level of energy performance certification due to the triple glazing of the façades, thick insulation on the North elevation, photovoltaic and solar panels installed on the roof, as well as a fresh air ventilation system in each unit.  Calculations and shadow analysis have been taken into consideration during the design phase, so that the sun could not reach the interiors during the warmer summer months and overheat the apartments.

The glass shell is designed with a thermally broken steel profile system to keep the door frames slimmer, and the large sliding glass door on the South terrace is motorized for a more comfortable and simple use.  Both the door and the sliding door frames have been covered by glass on the outer face, and they result flush with the fixed glass on the sides.  The large fixed glass panes are completely inserted on the floor, ceiling and vertical sides, to allow the maximum sense of a continuous space.

The Ground and First Floor units are designed with three bedrooms and two and a half bathrooms, while the Second Floor unit has a two bedroom and two bathroom layout.

For each apartment, oak planks have been selected for the interior floors and ipe wood decking for all the terraces.  All the millwork, kitchens and doors have been custom designed. The bathrooms are cladded with sandblasted white limestone rectangular tiles of different sizes, laid with a dynamic pattern, and the vanities are designed with a dark marble top and natural oak drawers.  Each unit is equipped with a black steel fireplace integrated in the living area millwork system.

Jacopo Mascheroni Architecture

All images courtesy of Jacopo Mascheroni Architecture


Jacopo Mascheroni Architecture

 JM Architecture, founded in 2005 by Jacopo Mascheroni and based in Milan, provides a range of architectural and design services to a variety of international clients. The firm has been working at different scales with real estate developers as well as private clients, and is currently involved in a series of residential and hospitality projects in different countries. Each project is approached as a unique opportunity and is a tailor-made solution incorporating the firm’s meticulous attention to details, finishes, and materials selection while following ideals of simplicity, coherence, clarity and harmony. In all work, the appropriate integration of the architecture into the site and the surroundings is a priority, and careful implementation of energy efficient solutions are hallmarks of each project. Refined, pure and timeless architectural lines meet with the most advanced technology to provide a combination of exceptional aesthetic elegance, utility and comfort. With passion and hard work, JM Architecture is providing cutting edge design and a clear statement with a recognizable path. The works have earned international attention and have been published in print on four continents as well as widely published online. In 2012 JM Architecture has been selected by Wallpaper Magazine as one of the 20 emerging practices from around the world.


JM Architecture

Via Ceresio 1
20154 Milano
+39 02 331 4691


JM Architecture

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