"S" - Glossary of Post Frame Industry Terms

A B C D E F G H I J K L M N
O P Q R S T U V W X Y Z

Scissor Truss - Roof truss designed with a bottom chord sloping upwards to an interior peak at the center of the building. Allows for increased interior clearance as the center of the building is approached. May require a steeper than standard exterior roof slope.

Screeding - The process of striking off the excess concrete to bring the top surface of the concrete to proper finish and elevation.

Shear - he force tending to make two contacting parts slide upon each other in opposite directions parallel to their plane of contact.

Shearwall - A vertical diaphragm in a structural framing system. The wall may be an endwall, sidewall or an intermediate wall capable of transferring in-plane shear forces. In either case, the wall transfers shear forces from the roof or ceiling diaphragm to the groundline.

Sheathing - OSB, plywood or steel roof covering which transfers roof load to purlins, rafters and/or trusses.

Stitch Screw - Fasteners used to connect two adjacent pieces of metal cladding, and thereby adding shear continuity between the sheets.

Sidewall Truss Bearing Columns - A rectangular primary structural member, sawn on four sides before treatment, is generally uniform in cross section along its length. May be either sawn or laminated dimensional lumber. It is the primary structural element of the building side walls. They are a vertical structural member used in a building to transfer loads from main roof beams, rafters and/or trusses to the foundation. Supports a horizontal wind load. Generally partly embedded in the soil to provide lateral and vertical support for the structure.

Skirt Boards (or Splash Boards) - Pressure treated lumber installed at grade line to which the bottom of the building siding is normally installed.

Sliding Door - Typically found in pure agricultural or animal confinement buildings. Door is typically a metal framework with a steel cladding skin and moves horizontally along a building face. Supported on top edge by two sets of trolley wheels running through a horizontal steel track attached to the face of the building.

Soffit - The underside covering of roof overhangs or mansards.

Soil Pressure - Load per unit area the foundation of a structure exerts on the soil.

Solid Sawn - A structural wood member comprised of an individual piece of lumber.

Span - Horizontal distance between two points.

Specialty Contractor [from RCW 18.27.010(3)] - Means a contractor whose operations do not fall within the definition of "general contractor".

Splash Boards (or Skirt Boards) - Pressure treated lumber installed at grade line to which the bottom of the building siding is normally installed.

Static Loads - Result from the weight and/or pressure from equipment, livestock, and stored products and the materials used for construction and maintenance activities.

Stitch (or Seam) Screws - Fasteners used to connect two adjacent pieces of metal cladding, and thereby adding shear continuity between the sheets.

Stress - A measure of the load on a structural member in terms of forces per unit area.

Structurally Glued - Laminated Timer Post (or Glulam Timber Post) - An assembly in which the individual layers are joined together with a structural adhesive.

Stud - A vertical wall member to which exterior or interior covering or collateral material may be attached. May be either load bearing or non-load bearing.

Suction - A partial vacuum resulting from wind loads on a building which cause a load in the outward direction.

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