Sheathing(redirected from sheathings)
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Material, usually plywood or oriented strand board (OSB), but sometimes wooden boards, installed on the exterior of wall studs, rafters, or roof trusses; siding or roofing installed on the sheathing, sometimes over strapping to create a rainscreen.
1. The covering (usually wood boards, plywood, or wallboards) placed over exterior studding or rafters of a building; provides a base for the application of wall or roof cladding. Also see sheeting.
2. In colonial America, boards on the interior of a house that served as an interior surface finish.
1. Members of wood, concrete, or steel (horizontal or vertical) used to hold up the face of an excavation. Also see closed sheeting, open sheeting.
3. Boards which form the surface of concrete form-work.
4. Same as sheetpiling.
5. Any material in the form of sheets.
6. A rock structure in which there are numerous small closely spaced fractures.