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When shopping around for a steel building, whether it be for a barn or garage, you should know the terms and words used in the industry. An educated consumer is rarely taken advantage of.   

We have put together this glossary in hopes of educating you the consumer.
Please search by using alphabetical order:



Back Coat A coating applied to the back or unexposed side. Its purpose is to prevent corrosion of the reverse side. It is closely controlled for color, gloss and applied dry film thickness. Not to be confused with a wash coat.
Base Angle A continuous angle secured to foundation to support wall panels.
Base Plate A shop-welded, pre-punched plate on that portion of a beam or column which rests on the supporting surface.
Batten A broad, formed strip of metal put over a roof seam for decorative purposes and to conceal fasteners.
Bay The space between frame center lines or primary supporting members in the longitudinal direction of the building. Also called stanchion spacing.
Bay-End The distance between the centerline of the first interior frame to the inside of the endwall panel.
Bay-Interior The distance from centerline to centerline of two interior columns.
Bead Mastic Sealant furnished in a continuous roll, normally used for sealing roof panel laps.
Beam A structural member which is ordinarily subject to bending and is usually a horizontal member carrying vertical loads.
Bearing Frame Endwall Frame composed of corner columns, end columns, flush girts, and channel rafter beams, which is designed to carry one-half bay weight. Also referred to as "light endwall".
Bird Screen Wire mesh used to prevent birds from entering the building through ventilators and louvers.
Blind Rivet A small headed pin with expandable shank for joining light gage metal. Typically used to attach flashing, gutter, etc. also referred to as Pop Rivet.
Brace Rods Rods used primarily on roof and sidewalls of RF (Rigid Frame) or BC (Beam & Column) buildings for plumbing the structures and to transfer wind force to foundation.
Bracket A structural support projecting from a wall or column on which another structural member is fastened. Example: Crane runway brackets.
Bridge Crane A material handling system within a building which moves longitudinally on a runway constructed of rails and beams.
Bridging Structural member used to give weak axis stability to joist or purlins.
Building Codes Published regulations and ordinances established by a recognized agency describing design loads, procedures and construction details for structures. Building codes control design, construction and quality of materials, use and occupancy, location and maintenance of buildings and structures within the city, county, state, etc. for which the code was adopted.
Built-Up Member or Section A structural member, usually an "I" section, made from individual web, flange and base plates by welding them together.
Built-Up Roof A roof composed of layered felt or jute, saturated with tar, with each layer set by mopping of hot tar or asphalt.
Butt Plate (or Splice Plate) The prepunched end plate of a structural member which usually rests against a matching plate of another member in forming a bolted connection.
By-Framed Girts Girts which overlap outside column flange to form a continuous member.

Popular sections of our steel buildings website:

A guide on how to buy a steel building

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Anchoring your building

Metal building dictionary and trade terminology

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