![]() Older houses might have sheathing made of boards, often run at an angle to create rigidity through triangular bracing. Sheathing gives stud walls rigidity-without it, walls could collapse along their length. Cripples are also used to fill in between the header and the top plate in cases when the header doesn’t completely fill that space.Įxterior walls are covered with sheathing, usually plywood or oriented strand board (OSB). A rough sill forms the bottom of a window opening, and short studs called cripples fill in below it. King studs are full size studs nailed to the sides of jack studs and the ends of the header to stabilize the assembly. Jack studs cut to fit beneath the header ends carry its load downward. Where you can’t have studs, such as at doors and windows, horizontal beams called headers span the opening. Studs carry the weight of the floor or roof above down toward the foundation. (In houses built before standardized panels, stud spacing was actually often random.) Vertical members called studs are placed every 16 inches or 24 inches so that the ends of standard 4×8 plywood or OSB sheathing panels, as well as drywall panels, always land in the middle of a stud and can be fastened. ![]() Long pieces of lumber called plates run along the top and bottom of the wall. ![]() Interior or exterior, most walls are built in a similar way from 2x4s or 2圆s (used in exterior walls to allow for more insulation). But interior walls serve many purposes as well, including supporting floor and ceiling loads, providing chases for running pipes, wires, and ducts, as well as making baths and bedrooms private places. Obviously, outside walls keep out the weather and support the roof and floors. ![]() Without walls though, your house won’t stand up. We don’t often think about walls except as a place to hang pictures, or maybe as something that prevents the downstairs of your house from having an open floor plan with long interior views. ![]()
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