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Wall sheathing, usually a plywood or laminate, is usually applied to the framing prior to erection, thus eliminating the need to scaffold. A multiple-stud post made up of at least three studs is generally used at exterior corners and intersections to secure a good tie between adjoining walls and to provide nailing support for the interior finish and exterior sheathing. Corners and intersections, however, must be framed with at least two studs. Nailing support for the edges of the ceiling is required at the junction of the wall and ceiling where partitions run parallel to the ceiling joists.
Wall framing in the house construction includes the vertical and horizontal members of exterior walls and interior partitions. Studs, wall plates and lintels serve as a nailing base for all covering material and support the upper floors, ceiling and roof.
Exterior wall studs are the vertical members to which the wall sheathing and cladding are attached. They are supported on a bottom plate or foundation sill and in turn support the top plate. Interior partitions supporting floor, ceiling or roof loads are called loadbearing walls; others are called non-loadbearing or simply partitions. Interior loadbearing walls are framed in the same way as exterior walls.
Lintels (headers) are the horizontal members placed over window, door and others openings to carry loads to the adjoining studs. Lintels are usually constructed of two pieces of lumber separated with spacers to the width of the studs and nailed together to from a single unit. The preferable spacer material is rigid insulation.
The complete wall sections are then raised and put in place, temporary braces added and the bottom plates nailed throgh the subfloor to the floor framing members. Once the assembled sections are plumbed, they are nailed together at the corners and intersections. A strip of polyethylene is often placed between the interior walls and the exterior wall, and above the first top plate of interior walls before the second top plate is applied to attain continuity of the air barrier when polyethylene is serving this function. A second top plate usually laps the first plate at the corners and partitions intersections and, when nailed in place, providers an additional tie to the framed walls.

F1414 16 авг. 2014 г., 0:13:47 (9 лет назад)

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