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Oct 16, 2024

A Trailblazing Aluminum Prefab Will Soon Woo U.S. Buyers - Dwell

Mexico City’s Taller Aragonés debuts the Pi Home, an energy-efficient modular home that can be assembled in just 45 days. On a wooded hillside in the Mexico City colonia of Bosques de las Lomas,

Mexico City’s Taller Aragonés debuts the Pi Home, an energy-efficient modular home that can be assembled in just 45 days.

On a wooded hillside in the Mexico City colonia of Bosques de las Lomas, Taller Aragonés has erected a prototype of the Pi Home to showcase its ingenious, fully customizable modular construction system. The prefab comes flat-packed in boxes and can be assembled in 45 days without the help of heavy machinery.

Buyers of the Pi Home can fully customize the interior, from furniture selection and fabrics to the veneer of the wall panels.

Courtesy of Taller Aragonés

Lightweight, intuitive to assemble, and inexpensive to ship, the Pi Home uses extrusion-die aluminum framing that’s anchored with rebar to the ground or a poured concrete foundation. Like a Lego set, a network of steel doughnuts spans lengths of up to 30 feet to support the structure. Aluminum studs link seamlessly to joists, and the exterior cladding is clipped onto the frame. It’s a method that could, in principle, be extended to 45 feet. Able to be shipped anywhere, the system holds potential for single-family homes as well as larger projects, such as social housing.

The aluminum joists and studs plug into series of steel doughnuts to secure the structure.

Courtesy of Taller Aragonés

From cozy cottages to large family houses, see how prefab continues to redefine the future of construction, building, and design.

The Pi Home is adaptable to different site conditions and engineered to withstand the earthquakes common to Mexico City.

Courtesy of Taller Aragonés

"It’s important to emphasize this being not only a modular system, but a construction system, so it can transform according to the site’s topography and dimensions," says Rafael Aragonés, son of architect Miguel Aragonés and an associate in his studio. "If you need to adapt it for a particular project or landscape, you’re easily able to adjust the construction system."

Double-glazed windows facing south provide both insulation and adequate heat gain for the cooler climate of the city’s higher altitude in Bosques de las Lomas.

Courtesy of Taller Aragonés

The homes come move-in ready with appliances, furniture, and finishes chosen by the owner.

Courtesy of Taller Aragonés

In the Pi Home prototype, the walls and floors are composed of MDF with the wood veneer clipped to the aluminum structure.

Courtesy of Taller Aragonés

Insulation between the exterior cladding and interior walls ensures a high energy-efficiency rating, which can reach as high as R30 depending on its thickness.

Courtesy of Taller Aragonés

The Bosques de las Lomas model is a relatively luxe version, furnished with top-of-the-line appliances and finished with high-quality materials. Even so, Aragonés says, the Pi Home’s aluminum frame, speed of assembly, and lower shipping costs means that it’s about a third of the cost of a typical construction—making it an exemplary modern home affordable to moderate-income earners.

The rear curtain wall system opens to an outdoor patio raised above the wooded landscape.

Courtesy of Taller Aragonés

Retractable screens allow for shade and privacy in the living area.

Courtesy of Taller Aragonés

A wraparound veranda bordered with glass offers additional outdoor space.

Courtesy of Taller Aragonés

Not only that, the Pi Home surpasses traditional home design through its impressive energy efficiency. The walls and joists have thermal and waffle insulation packages that meet California’s high R22 sustainability standard, achieving a complete thermal break to prevent leakage of heat through the structure. The windows are all double-glazed. And aluminum is one of the most easily and widely recycled materials, giving the house an especially circular life cycle.

"You have all of this midcentury inheritance, but truly, when you visit these houses in California, it was all very aesthetic, but it was unlivable on a hot or cold day," says Aragonés. "We have to take the step and accomplish having efficient thermal living inside the house."

The main bedroom on the second floor takes advantage of the curtain wall's openness.

Courtesy of Taller Aragonés

Recessed lighting gives the space a warm glow at night.

Courtesy of Taller Aragonés

Pi Home prefab floor plan

Courtesy of Taller Aragonés

The Pi Home has received an international patent in Switzerland for the first-of-its-kind structure for aluminum houses. Taller Aragonés expects to complete the International Code Council building certification process in the coming months and plans to market the house in California, New York, and Texas.

More by Taller Aragonés:

Moody LEDs Turn This Mexico City Abode Into a Neon Sculpture at Night

What it’s Like to Live at Architect Miguel Angel Aragonés’s Museum-Like Mexico City Home

Project Credits:

Architect of Record: Taller Aragonés

Structural Engineer: Jose Nolasco

Lighting Design: Taller Aragonés / Phillips Hue

Interior Design: Taller Aragonés / Poliform / La Palma

Sound Engineer: Taller Aragonés / InSound Solutions

Aluminum Supplier: Alubin

Wood Suppliers: Alpi veneer, Garbelotto floors

Appliances: Miele

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