Sentinel House in Tucson, Arizona

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Sentinel House in Tucson

Modern Sustainable Real Estate Tucson, Arizona, USA – design by Kevin B. Howard Architects

Apr 28, 2019

Sentinel House

Architect: Kevin B. Howard Architects

Location: Tucson, Arizona, USA

Sentinel House in Tucson Arizona

Sentinel House seeks to create a locally conscious home, a gentle brutalist project that preserves the beauty and surrounding culture of the site for the architects as their own client. A stone’s throw from the base of Tumamoc Hill, in Tucson, Arizona, Sentinel House unifies a series of overlapping and diverging requirements into a home that speaks to Tucson’s vibrant traditions and the surrounding neighborhood.

Sentinel House in Tucson Arizona

The two-story home is situated in an oft-ignored, post-war, suburban remnant, largely regarded as undesirable despite strategically favorable views, downtown proximity, and minimally disturbed desert landscape. The density of natural Sonoran vegetation on the site required a measured response. Lifting the private spaces allowed the main floor to sink into the earth, both insulating and limiting the profile of the house. This reduced interference on the site and allowed the architect to create strategic openings that avoided light pollution and emphasized uncluttered historic views of Tumamoc Hill and Sentinel Peak.

Sentinel House in Tucson Arizona

The surrounding neighborhood changes constantly in a drive of subtle remodeling that creates a culture of slow change as styles shift and update themselves for new generations of owners. This culture of self-improvement created an unpretentious palette of standard concrete block, corrugated steel, and concrete plaster.

Sentinel House in Tucson Arizona Sentinel House in Tucson Arizona

The house is recessed in to the earth and steps with the lot. North cold air collects in the shadow pocket under the cantilevered upper floor. The open stairway helps the chimney effect pulling cool air across the open loft. The open carport acts like a wind tunnel for cooling. Deep overhangs to the south block summer sun angle, but allows winter sun in. Limited glazing to the west helps keep the solar heat gain minimal in the summer.

Sentinel House in Tucson Arizona Sentinel House in Tucson Arizona

Keeping construction costs as low as possible, the architects designed within several pre-existing constraints. As their own owner/builders the architects took on risks with the final materials, from salvaged scraps of tile, to metal siding remnants, to even the glazing itself.

Sentinel House in Tucson Arizona

A major cost of residential construction in modern design is the cost of insulated glazing. To keep costs within the tight budget ($90/sf), 500 square feet of windows were rescued from the landfill and stored prior to schematic design. These windows had a low U value and SHG but were of irregular and non-standard sizes. Working with the fixed dimensions of these random windows was intrinsic to the major design of the architecture. Only 5 small additional windows were added to complete the overall final composition.

Sentinel House in Tucson Arizona

The use of salvaged material creates the issue of non-uniform elements in the design. To avoid the appearance of a patchwork, the glazing patterns were unified by fields of corrugated steel decking. The larger bands of metal act as a frame to the voids of glass and create an ordered and purposeful appearance.

Salvaged building products and a small footprint gives this project its sustainability features.

Owner Architect built. Small Budget. Brutalist & minimalostic features makes this project unique.

Sentinel House in Tucson Arizona Sentinel House in Tucson Arizona

Sentinel House in Tucson, Arizona – Building Information

Design: Kevin B. Howard Architects
Project size: 1890 ft2
Project Budget: $180000
Completion date: 2019
Building levels: 2

Sentinel House in Tucson Arizona

Photography: Robin Stancliff

Sentinel House in Tucson, Arizona images / information from received 280419

Location: Tucson, Arizona




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