| Ridge |  the term "ridge" refers to the highest point or the top edge of a roof where two sloping roof planes |
| Roof Pitch | Synonyms - Pitch
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| Roof Truss | Synonyms - truss, trusses
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| Root barrier | root barrier is a versatile solution designed to control and manage the growth of tree and plant roots in Australian |
| Rough Sawn | "rough sawn" refers to timber that has been cut from a log using a sawmill but has not undergone |
| S-trap | an "S-trap" refers to a specific type of plumbing trap used in drainage systems. An S-trap is designed to prevent |
| Sapwood | In the context of Australian commercial construction projects, "sapwood" refers to the younger, outermost wood found just beneath the bark |
| Sarking | Sarking, in the context of Australian commercial construction projects, refers to a strong and pliable membrane installed under tiled and |
| Sash | In Australian commercial construction projects, a "sash" typically refers to the movable part of a window that holds the glass |
| Scabble | In the context of Australian commercial construction projects, "scabble" refers to a specific surface preparation technique. Scabbling is a process |
| Scantlings | In the context of Australian commercial construction projects, "scantlings" refer to the dimensions or sizes of structural elements, such as |
| Scarfing | In the context of Australian commercial construction projects, "scarfing" typically refers to a technique used in the preparation and joining |
| Schedule (documentation) | In the context of Australian commercial construction projects, a schedule refers to a detailed document that outlines the scope of |
| Screed | a screed refers to a thin layer of material, typically a mixture of cement, sand, and water, applied to a |
| Scribing | Scribing, in the context of Australian commercial construction projects, refers to the process of collecting information from a computer model |
