| Seasoned (timber) |  seasoned timber refers to timber that has been dried to a moisture content between 10% and 15% . This process, |
| Segregation | "segregation of aggregate" refers to the separation or non-uniform distribution of aggregate particles within a concrete mix. This phenomenon |
| Septic system | A septic system, in the context of Australian commercial construction projects, refers to an on-site wastewater management system designed to |
| Services (building) | "Services" typically refers to the various systems and installations that are essential for the operation and functionality of a building. Synonyms - Building services
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| Sheet Flooring | "sheet flooring" refers to a type of flooring material that is supplied in large sheets rather than individual tiles |
| Sheeting | In the context of Australian commercial construction projects, sheeting refers to a type of material or layer applied to a |
| Sill | In Australian commercial construction projects, the term "sill" refers to a horizontal structural member that is positioned at the bottom |
| Skillion (roof) | a skillion roof is defined as a roof with a single large flat surface, set at a relatively steep pitch |
| Skirting | "skirting" refers to the trim or molding that is installed at the junction where the interior wall meets the |
| 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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| Slab on grade (SOG) | a "Slab on Grade" (SOG) refers to a type of foundation that consists of a concrete slab poured directly on Synonyms - slab on ground, SOG
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| Slip Joint | A "slip joint" refers to a structural component designed to accommodate movement between two building elements. This movement can be |
| Soffit | a soffit refers to the underside or the exposed surface beneath any overhead component of a building. This can include |
| Softwood | softwood refers to the wood of a coniferous tree, such as pine, spruce, or cedar . Softwood timber originates from |
| Soil Test (geotechnical report) | a soil test, also known as a geotechnical investigation or site investigation, involves the assessment of soil conditions on a |
