| Stool | |
| Stirrups | |
| Steel Frame Construction |  Steel frame construction is a popular method used in Australian commercial construction projects due to its strength, durability, and versatility. |
| Splice Joint | a splice joint refers to a method used to connect two structural elements end-to-end to form a continuous member. This |
| Specifications (specs) | "specifications" or "specs" refer to detailed, written descriptions of the materials, workmanship, and standards required to complete a construction project. |
| Spandrel | a "spandrel" typically refers to the space or panel located between two architectural elements. Specifically, in multi-story buildings, a spandrel |
| Span | "span" typically refers to the distance between two structural supports, such as columns, walls, or beams. It is a |
| Solid Plaster | solid plaster refers to a type of material applied to walls and ceilings to provide a smooth, even, and durable |
| Solid Core | a solid core refers to a type of door construction that consists of a dense, engineered wood core, often made |
| Soil Test (geotechnical report) | a soil test, also known as a geotechnical investigation or site investigation, involves the assessment of soil conditions on a |
| Softwood | softwood refers to the wood of a coniferous tree, such as pine, spruce, or cedar . Softwood timber originates from |
| Soffit | a soffit refers to the underside or the exposed surface beneath any overhead component of a building. This can include |
| Slip Joint | A "slip joint" refers to a structural component designed to accommodate movement between two building elements. This movement can be |
| Slab on grade (SOG) | Synonyms - slab on ground, SOG
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| Slab (concrete) | a "slab" refers to a flat, horizontal structural element made of concrete that is used to create floors, ceilings, and Synonyms - concrete slab
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