{"id":215510,"date":"2026-10-13T12:22:47","date_gmt":"2026-10-13T16:22:47","guid":{"rendered":"https:\/\/www.constructionspecifier.com\/?p=215510"},"modified":"2026-10-13T12:22:47","modified_gmt":"2026-10-13T16:22:47","slug":"oregon-library-pairs-mass-timber-with-a-high-performance-envelope","status":"publish","type":"post","link":"https:\/\/www.constructionspecifier.com\/oregon-library-pairs-mass-timber-with-a-high-performance-envelope\/","title":{"rendered":"Oregon library pairs mass timber with a high-performance envelope"},"content":{"rendered":"
\"Modern<\/a>
The three-story building combines uses energy-efficient systems and on-site solar power. Photos by Kevin Scott<\/em><\/figcaption><\/figure>\n

A mass-timber structure, acoustic dowel-laminated timber (ADLT) floor decks, and a shingled exterior define Deschutes County\u2019s new 9,290 m2<\/sup> (100,000 sf) Central Library at Stevens Ranch, Ore.<\/p>\n

Designed by The Miller Hull Partnership and STEELE Associates Architects, the three-story building combines flexible library spaces, children\u2019s learning areas, coworking facilities, and maker spaces with energy-efficient systems and on-site solar power.<\/p>\n

The building\u2019s structural layout uses long spans to create open, adaptable interiors with minimal columns. The design team selected Type III-A construction, which permits the use of wood elements with one-hour fire protection.<\/p>\n

ADLT serves as the floor deck, providing structural support, an exposed finish, and sound absorption. A raised access floor accommodates mechanical systems, electrical conduits, and fire sprinklers, keeping the ceiling and timber columns and beams visually prominent. Concrete core walls provide lateral stability without requiring steel diagonal braced frames.<\/p>\n

Responding to its climate<\/h2>\n

The exterior responds to Central Oregon\u2019s high-desert climate. A shingled facade helps control daylight and limit unwanted solar heat gain while preserving views toward the mountains. Regional stone and muted metal finishes form the building\u2019s base, while a staggered, sloping roofline echoes the surrounding mountain profile and defines interior spaces through varying ceiling heights. A tall entrance atrium helps orient visitors within the three-story building.<\/p>\n

Inside, flexible spaces support activities ranging from crafts and quilting to emerging technology. Coworking areas serve remote workers, students, and entrepreneurs, while a local coffee shop occupies leased space. The children\u2019s area incorporates interactive features, mobile activity carts, and physical landforms designed to encourage exploration and hands-on learning.<\/p>\n

\"Modern<\/a>
Coworking areas serve remote workers, students, and entrepreneurs.<\/figcaption><\/figure>\n

The library also expands the county system\u2019s collection of borrowable household items, tools, and hobby equipment. Its collection organization emphasizes accessible genre groupings rather than traditional Dewey classifications, encouraging browsing and discovery.<\/p>\n

The project\u2019s sustainability strategy targets LEED Gold certification. A high-performance building envelope reduces energy demand, while all-electric equipment limits operational emissions. A large photovoltaic array supplies the library\u2019s renewable energy, and a battery backup system provides limited resilience. The design also addresses embodied carbon through efficient use of concrete and material selection. Daylighting, natural ventilation, enhanced mechanical filtration, and reduced chemicals of concern support indoor environmental quality.<\/p>\n

The project team includes Kirby Nagelhout Construction Company as general contractor, KPFF Consulting Engineers for structural engineering, HWA Inc. for civil engineering, and Interface Engineering for mechanical, electrical, and plumbing systems.<\/p>\n","protected":false},"excerpt":{"rendered":"

See how the high-performance building envelope reduces energy demand, while all-electric equipment limits operational emissions.<\/p>\n","protected":false},"author":35591,"featured_media":215511,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1029],"tags":[5849,3312,10203],"class_list":["post-215510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-miller-hull-partnership","tag-oregon","tag-steele-associates-architects","entry"],"acf":[],"yoast_head":"\nOregon library pairs mass timber with a high-performance envelope - The Construction Specifier<\/title>\n<meta name=\"description\" content=\"See how the high-performance building envelope reduces energy demand, while all-electric equipment limits operational emissions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.constructionspecifier.com\/oregon-library-pairs-mass-timber-with-a-high-performance-envelope\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oregon library pairs mass timber with a high-performance envelope - 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