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May 17, 2013

Residential decorative concrete
Sprague residence

Photo courtesy of WACA [enlarge]
Exposed aggregate frames the driveway and divides its separate checkerboard and circular designs.

Owner/developer: Andy and Lisa Sprague

Project team: Abbott Construction, general and concrete contractor; Miles Sand & Gravel Co., ready-mix contractor

This residential driveway project was undertaken as both an aesthetic and functional improvement to an 18-year-old house.

The aesthetic goals were based on the circular layout of the driveway and the desire to incorporate Northwest design elements that complemented the house. The design focused on a flexible radial theme that used both large and small radiuses, texture, color and shading.

The site is on top of a bluff that is without a public storm drainage system. Managing water runoff was a critical element of the project.

The driveway uses two colors of integral concrete that actually look like three colors due to the alternating broom strokes used in finishing the brown concrete. Radial exposed aggregate frames the driveway and divides the interior into two separate designs, a brown checkerboard pattern and a gray circular design.

To accentuate the different colors and textures, all joints were diamond “V”-cut. The effect highlights the sight lines, colors, textures and shading. Broom-finished concrete was selected as a functional surface for both vehicles and children at play.

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