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| Span
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The horizontal distance between supporting structures such as beams, trusses or columns. |
| Span, allowable
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Maximum distance allowed that a structural member may span between supports. |
| Spandrel
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That part of a wall between the head of a window and the sill of the window above it. |
| Spandrel wall
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Wall section spanning the area from the top of a window to the sill of the window directly above it, on the next floor of the building. |
| Spanish mission style
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Style familiar to the Southwest and patterned after Spanish missions. |
| Spanish swirl
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Heavy texture style, also called a sponge twist, which uses plaster, stucco or drywall to produce circular swirls. |
| Spanish villa
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Home of one to three stories with stucco outside and a roof of red tiles. |
| Spanner
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Wrench with projecting teeth that fit into a groove on a particular nut. |
| Spar varnish
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A very durable varnish designed for service on exterior surfaces. |
| Spark arrestor
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Screen or metal cover installed at the outlet of a chimney or exhaust system to allow smoke to pass through but to protect from sparks. |
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