Steel Building Terminology

Aluminized steel - Steel that has been dipped in aluminum-silicon alloy to ensure a tight bond between the steel sheet and its aluminum coating, producing a metal that has properties that neither metal has on its own

Anchor bolts - bolts used to anchor a portable or steel building to its foundation

Approval drawing - a drawing furnished by the manufacturer and given to the buyer. This drawing, once approved by the buyer, means that the manufacturer has correctly interpreted the contractual requirements for the building and where accessories are located in the building

Auxiliary loads - all specified live loads other than the basic design load that the building must withstand; examples of other loads include cranes, elevators, vehicles and impact loads.

Base angle - an angle secured to a wall or the foundation that is attached to the bottom of the wall paneling

Base plate - A plate attached to the bottom of a column that rests on the foundation or another support

Base trim - steel or aluminum used to close off the base of wall panels

Bay - the zone between the outer edges of an attached column

Beam - a horizontal member that is subjected to bending loads

Boxed eave - a cornice treatment featuring the eaves of a pitched roof boxed in

Brace rods - rods and cables used to transfer loads such as wind loads to the foundation

Bracket - a portion of a structure that projects from a wall or column and is used to fasten another structural member

Clear span - the area of floor that is clear of interference from columns

Clip - a plate or angle used to fasten two or more items together

Corrugated galvanized Steel - sheets of hot-dip galvanized mild steel, cold rolled to produce a corrugated pattern

Curtain wall - perimeter wall panels that carry only their weight and wind load

Dead load - the load of the building, containing all permanent construction features sue as the floor, roof, framing and covering

Design load - the maximum amount of something a system is designed to handle

Eave - the portion of a roof that overhangs from or meets with the walls of a building

Eave height - the dimension from the finished floor to the top of a building’s eave strut

End wall - an exterior wall that is perpendicular to the ridge of a building

Erection - an on-site assembly of fabricated components to form a complete structure

Fascia - decorative trim or panel projecting from the face of a wall

Fixed base - a column base that is designed to resist rotation, as well as movement

Flashing - A sheet metal closure that provides weather tightness and enhances appearance

Footing - a pad or mat located under a structural member that distributes the loads from that member into the supporting soil

Framed opening - frame work and flashing that surrounds an opening in the wall or roof of a building

Gable - the portion of a wall that encloses the end of a pitched roof

Galvanized steel - steel coated with zinc to prevent corrosion

Grade - the ground elevation around a building

High tensile steel - structural steel that has a yield stress above 36,000 pounds per square inch

Horse barn - an agricultural building that houses horses and other livestock

Lean-To – a roof with a single slope or a structure built an additional overhanging roof.

Leg height - the height of the poles used to hold up a carport

Leveling plate - a steel plate upon which a structural column can rest

Mobile home anchors - the anchor ProBuilt Steel uses to ensure your portable building is secured to the ground

Pitch - a numerical value representing the steepness of a roof

Reinforcing steel - also called rebar, a common steel bar or mesh of steel wires used as tension devices in reinforced concrete and masonry structures to strengthen and hold the concrete in compression.

Ridge - horizontal line formed by opposing sloping sides of a roof running parallel with the building length

Shim - a washer or thin strip of material used to align parts to make them fit

Side wall - an exterior wall that is perpendicular to the frames of a building

Simple span - a beam support condition at two points that offers no resistance to rotation at the supports

Single slope - a sloping roof in one plane

Single span - a building or structural member that doesn’t feature intermediate support

Snow load capacity - the amount of snow, expressed in pounds per square foot, the exterior of a building can support

Span - the distance between supports, such as beams or trusses

Specification - a statement of requirements describing loading conditions, design practices, materials and finishes

Stainless steel - a form of steel that contains chromium and is resistant to tarnishing and rust

Steel Sidings - the side portion of a steel building

Tensile strength - the longitudinal stress a material can bear without tearing apart

Thermal resistance - the average temperature difference between two defined surfaces of material that reduces heat flow

Uplift - the wind load on a building that causes a load in the upward direction

Vapor barrier - material that retards the flow of vapor or moisture to prevent condensation from forming

Wind load capacity - The highest speed wind that a steel building will be able to withstand

Yield point - the stress beyond which a material begins to change shape


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