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Ceilings in Building 29A are fissured mineral fiber acoustic tiles. Many of the walls, including those in corridors are plastic laminated wall panels. Inside some laboratories there are also beige glazed structural facing tile-clad walls. In the basement corridors, animal rooms and cage washing room, the walls are simply painted concrete block. The first floor library/conference room features quarter-sawn walnut paneling and trim.

Openings

• Doorways and doors

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• : The corridors are enclosed by double-leaf, metal fire doors. Individual laboratories and offices feature single-leaf, half-glazed, metal doors. Stairwells have single-leaf, metal doors. In construction drawing specifications there were also plastic laminate doors described as a solid wood core with plastic covering, but it is not clear where these doors were located.
• Windows

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• : There are no windows in any of the laboratories or offices since they all face the interior and are located within the interior of the surrounding perimeter corridor.The windows along the corridor are of dark, anodized aluminum-framed, with gray-tinted glass.

Decorative features and trim

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