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Home » Glass/Wood House by Kengo Kuma and Associates
Record HousesResidential Architecture

Glass/Wood House by Kengo Kuma and Associates

New Canaan, Connecticut

Glass/Wood House by Kengo Kuma and Associates
The roof of Kengo Kuma's addition to an American mid-century Modern house cantilevers from columns pulled behind its all-glass skin. The edge of the roof, and of the veranda it shelters, tapers so it is nearly razor-thin, helping create the impression that the structure floats above its site.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
A corner of the older part of the house, where there had been a bedroom, is now the approach to Kuma's addition. The space also contains a stair inserted as part of an earlier renovation. It leads to a basement family room.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
Stainless steel mesh screens, instead of walls, define space in the addition. At night, LED fixtures inserted in a slot in the floor illuminate the screens from below.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
The roof over the glass-enclosed walkway linking the new living space and the mid-century piece appears to have been slid below the canopies that surround both structures.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
With its original kitchen removed, the main room of the Lee pavilion serves as an airy genkan, or foyer, for the rest of the house.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
The original part of the house sits on a mostly flat terrain. But the addition, supported by attenuated columns, extends over a steeply sloping section of the site.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
As part of the most recent renovation of the original house, a skylight was added over the entry. Huey, one of two pugs owned by the clients, enjoys the patch of sun it creates.
 
Photo © Scott Frances
Glass/Wood House by Kengo Kuma and Associates
The front facade looks much the same as it did 55 years ago, even though it has been modified. Changes that were part of a renovation designed by Toshiko Mori included lifting the central roof by about 18 inches, thereby enlarging the clerestory, and the replacement of deteriorating wood columns with stainless steel. Kuma added the vertical ip' louvers to visually tie the mid-century piece with the addition's wood roof structure.
 
Photo courtesy Kengo Kuma & Associates
Glass/Wood House by Kengo Kuma and Associates
Soon after completion in 1956, Lee's templelike residence appeared in Architectural Record as part of a feature on rectangular houses.
 
Photo © Joseph W. Molitor
Glass/Wood House
Image courtesy Kengo Kuma & Associates
Glass/Wood House
Image courtesy Kengo Kuma & Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House by Kengo Kuma and Associates
Glass/Wood House
Glass/Wood House
April 16, 2011
Joann Gonchar, FAIA
KEYWORDS Connecticut
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Architects & Firms

Kengo Kuma and Associates

Few architectural design problems are as tricky as adding to a building that is rigorously symmetrical. If not sensitively conceived and carefully executed, an expansion can compromise the integrity and compositional balance of the original. But such was the challenge faced by Tokyo-based Kengo Kuma for his first commission in the United States: a new wing for an almost templelike mid-century Modern house in New Canaan, Connecticut.

Additional Content:
Jump to credits & specifications

The house's original owner and designer was John Black Lee, an architect affiliated with the so-called Harvard Five ' a group of architects that included Philip Johnson and Marcel Breuer who began settling in New Canaan starting around 1940, transforming the town into a hotbed of Modernism. Lee's axially symmetrical, one-story structure, completed in 1956 and published in RECORD as part of a collection of rectangular houses [November 1957, pages 152'156], featured a large open space, about 30 feet square, which contained a central fireplace, a living room, and a compact island kitchen. This main room had a perimeter clerestory and two all-glass exterior walls, on the north and south, providing views of the wooded 2-acre property. Bedrooms, two each on the east and west, flanked the main space, with a veranda and a generous overhanging roof surrounding the house on all four sides.

The current owners, a finance executive and a lighting designer, bought the property from Lee in 1990. Soon afterwards they commissioned New York City'based Toshiko Mori to renovate the house. Mori, who has since renovated or added onto several buildings by some of Modernism's giants, made subtle but significant alterations that included raising the central roof by about 18 inches, thereby enlarging the clerestory, and replacing deteriorated wood columns with stainless steel. The changes helped make the already elegant structure seem even more delicate and graceful. Even Lee, who now lives in another house he designed a few miles away, approves. 'It was one of the most sensitive remodelings in New Canaan,' he says.

Then in 2004, the couple, who by this time had a son and a daughter, transformed the unfinished basement into a family room with the help of another New York firm, Thomas Phifer and Partners, known for ethereal and impeccably detailed structures. The space had previously been accessible only from a hatch near the front door, but Phifer designed an interior stair protected by a minimal glass balustrade for the house's southwest corner, in what had been one of the four bedrooms.

The couple had already started thinking about further expanding their living space when a tree crashed through the roof during a January 2006 storm, providing the impetus for another renovation, as well as for an addition containing a master bedroom, a more spacious kitchen, and a formal dining area. After extensive research, they approached Kuma because they liked the delicacy of his structures and found his buildings sympathetic to their surroundings. 'He has a light touch,' says the wife.

Kuma designed a transparent, L-shaped addition that sits just to the west of the original. The interior is almost entirely open, with very few walls. Instead, stainless steel mesh screens differentiate circulation space from other parts of the program. The structure is composed of steel columns only 3 inches wide and 6 inches deep, with equally minimal steel beams, and a roof supported by exposed glue-laminated spruce joists.

The project also entailed modifications to the existing house, such as the replacement of one section of solid exterior wall near the addition with glass, in order to provide more of a visual connection between new and old structures. As part of the renovation work, Lee's kitchen, which had been just inside the entrance, was removed, making the entire central zone of the older structure into an airy space for welcoming guests, like the genkan, or entryway, in a Japanese house, explains Kuma.

The expansion, like its mid-century neighbor, has an encompassing veranda, as well as a sheltering canopy at the same elevation of that on the original. However, the tectonic reality of these similar elements is very different. While Lee placed vertical structural components at the edges of his veranda, Kuma pulled them to the interior, behind a smooth skin of insulated, low-emissivity glazing. Although Lee concealed the roof structure behind a fascia and a drywall ceiling, Kuma's joists are left exposed with the plywood sheathing on top of them tapering to a projecting, paper-thin edge. And while Lee's pavilion is elevated just above a mostly level ground plane, Kuma's expansion is supported on attenuated columns over a steeply sloping section of the site. The newer piece feels almost like a treehouse, especially at the western end of the dining room, where the floor is 17 feet above grade.

In response to the sticky problem of joining these distinct but sympathetic expressions, Kuma created an 18-foot-long glass-enclosed walkway that gently steps down about 4 feet, following the terrain. The roof of this passageway appears to have been slipped under the canopies surrounding both new and old buildings, creating the impression that the two could be disconnected if some future owner so desired.

Although the existing and new structures have been carefully linked, Lee wishes the connection had been made without piercing the skin of the original. Even so, he says he likes the addition, especially the way it relates to the site. 'It's nicely installed in the landscape,' he observes.

And that is precisely the effect that Kuma was after. The goal of the descent from old to new, for example, 'was to create the sense of being fused with nature,' says the Japanese architect.

Even though Lee might find reason to quibble, the expansion shows a respect not only for the natural surroundings, but also for the existing built environment. It provides a new vantage point ' one lifted off the sloping terrain ' for viewing and appreciating the clarity and simplicity of the older structure. And while Kuma doesn't slavishly mimic Lee's language, the addition is clearly the product of keen observation, as well as thoughtful reinterpretation, of the piece built more than a half century earlier.

Gross square footage: Existing: 3,820 square feet, Addition 3,800 square feet, 7,620 square feet total

Completion date: June 2010


Credits

Architect:

Kengo Kuma & Associates
2-24-8 Minami Aoyama Minato-ku - 107.0062
Tokyo – Japan
Tel: +81.3.3401.7721
Fax: +81.3.3401.7778

Personnel in architect's firm who should receive special credit:
Kengo Kuma (Principal architect), Yuki Ikeguchi (project architect), Satoshi Sano* (project architect) *Former staff

 

Architect of record:

Gregory T. Waugh, AIA + Kazuki Katsuno

 

Lighting Design:

Susan Leaming, Architectural lx

 

Engineer(s):

Structural Engineer:
The Di Salvo Ericson Group Structural Engineer, Inc.
Bruce Richardson, PE Principal

Mechanical Engineer:
Kohler Ronan, LLC Consulting Engineers
Peter Beltz, PE

 

General contractor:

Renovation to existing: Prutting & Company Custom Builders, LLC

Addition: The Deluca Construction Company

 

Photographer(s):

Scott Frances
Agent Vaughan Hannigan
212-777-0099

 

 

 

Specifications

Structural system

Existing: Wood frame, Stainless steel columns

Addition: Steel frame, Wood joists

 

[Renovation to Existing]
Exterior cladding

Stainless framed glass; ipe louvers

Roofing

Five-ply coal tar pitch dressed with river gravel; lead-coated copper gravel stops

Windows

Custom stainless steel frame

Glazing: Oldcastle BuildingEnvelope

Skylights: Wasco

Doors

Entrances: Custom made stainless steel frame glass doors

Wood doors: Custom made

Hardware

Closers and pivots: Rixon
 
Pulls: Custom stainless steel

Interior finishes

Ceiling: Plaster

Chimney: Silver leaf

Floor (interior and exterior:) Tongue and groove ipe

Furnishings

Lounge chairs, bench, folding stools, low tables: Poul Kjaerholm, Fritz Hansen

Sofa: Moroso, Lowland, Signorello of Westport

Sofa upholstery: Loro Piana

Lighting

Uplight: Custom Susan Leaming

Downlight: Lighting Collaborative

Task: Ingo Maurer

Exterior: PSM Lighting

[Addition]
Exterior cladding

Metal/glass curtain wall: Custom glass curtain wall (Suntech of Connecticut, Inc.)

Roofing

Sarnafil

Glazing

Glass: Viracon

Skylights: Wasco

Exterior Cable Railing: Kueka Studios, Inc.

Doors

Entrances: Custom stainless steel frame glass door (Suntech of Connecticut, Inc.)

Wood doors: Custom maple doors

Closers and pivots: Dorma

Pulls: Custom stainless steel

Hinges: Sugatsune

Levers and locks: D Line

Interior finishes

Floor (interior and exterior:) Tongue and groove ipe

Kitchen and bath floor, bath wall, kitchen and bath counter top: Janegray sandstone, Vermont Structural Slate

Exposed joists: Black Spruce, Nordic

Cabinetwork and custom woodwork: Clifton A. Nelson

Furnishings

Dining chairs: Custom Ian Kirby

Dining table: Doge by Carlo Scarpa, Signorello of Westport

Informal dining chairs: Poul Kjaerholm, Fritz Hansen

Lighting

Uplight: Custom Susan Leaming and Satoshi Sano, fabricated by USA Illumination

Dining: Custom suspension fixture, Susan Leaming and Satoshi Sano, fabricated by Catellani and Smith

Downlight: Wever & Ducre, Bega, Lucifer Lighting

Exterior: PSM Lighting; Hadco

 

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Joann-gonchar1

Joann Gonchar, FAIA, LEED AP, is a senior editor at Architectural Record. She joined RECORD in 2006, after working for eight years at its sister publication, Engineering News-Record. Before starting her career as a journalist, Joann worked for several architecture firms and spent three years in Kobe, Japan, with the firm Team Zoo, Atelier Iruka. She earned a Master of Architecture degree from the University of Pennsylvania and a Bachelor of Arts from Brown University. She is licensed to practice architecture in New York State.

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