Raceways or conduits provided at regular intervals allow present and future planning of communication, power and technology. Counter height and surface outlets, overhead poles or retractable coils provide needed flexibility. More controversy is evoked over the color or texture of a finish material than any other aspect of its use. Colors not only evoke cultural style but have historic and symbolic references as well. Bright and light colors tend to advance and dim or dark colors tend to recede.
Smooth surfaces appear harder than do rough textures.
Self esteem affects an individuals learning progress. Since much of the work displayed within a classroom is student work, ease of display is extremely important. Surface colors must be non competing with exhibited work. Apart from the finish of materials, the perception of newness or cleanliness also affects learning. Equivalent schools were observed as one was repainted and the other was not.