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Milton-Union PK-12, West Milton, Ohio

Milton-Union PK-12, West Milton, Ohio

Two types of roofing were utilized on Milton-Union PK-12 school: modified bitumen on low-sloped areas and standing seam metal on the high-sloped areas above the classrooms. Lightweight insulating concrete with an R-24 was used on the low-sloped areas, and a vapor barrier was installed below the roofing membrane, over the insulating concrete. High-sloped areas were insulated at the bottom chord of the metal trusses with 4 inches of sprayed polyurethane foam.

Approximately 110,000 square feet of Innovative Metals Co. Inc. (IMETCO) Series 300 roofing panels were selected for the project, completed in July 2012, for durability, ease of installation and repair, ability to integrate with the solar PV array, the ability to securely attach to the metal roof and custom color options to make the roof Milton-Union Schools' red. Additionally, 16,000 square feet of The Garland Co. Inc.'s R-Mer Span siding panels were specified for the 217,000-square-foot education building for aesthetics, durability, compatibility with the roofing panels and custom color options.

Features intended to promote energy efficiency included the envelope design, mechanical systems and daylighting. The building envelope complies with ASHRAE 90.1 2004 for climate zone 5. Milton-Union PK-12 was LEED Gold certified and sustainable features include durable materials that require less maintenance over the long term than other more common materials, an improved thermal building envelope, finishes with little to no volatile organic compound (VOC) content to eliminate off-gassing of harmful chemicals, solar thermal water heating to offset natural gas consumption, a 32-kilowatt photovoltaic array and a 15-kilowatt wind turbine.

Milton-Union PK-12 is divided into three areas by function like separate buildings connected to the others by enclosed corridors. The first building houses the high school and middle school, the second has pre-kindergarten, kindergarten, grades one through five and the elementary administrative staff, and the third building contains the shared spaces including the gymnasiums, student dining area, main kitchen, main mechanical areas and a few additional classrooms for health, music, voice, band and art.

Owner: Milton-Union Schools, Milton General contractor: Ferguson Construction, Dayton, Ohio Architect: Ruetschle Architects, Dayton Structural engineer: Shell and Meyer Associates Inc., Dayton Roofing contractor: Tecta America Zero Co. LLC, Dayton Glazing contractor/installer: Greenville Architectural Glass, Greenville, Ohio Curtainwall, windows, storefront: EFCO, Monett, Mo., www.efcocorp.com, Circle #47 Metal railings: Quality Architectural & Fabrication Inc., Franklin, Ohio, www.qaf.cc, Circle #48 Metal roof panels: IMETCO Inc., Norcross, Ga., www.imetco.com, Circle #49 Sunshades: Intertec, a division of Doralco Architectural Systems, Alsip, Ill., www.doralco.com