Builder
A party who, as a routine part of his business, buys steel building systems from a manufacturer for the purpose of resale.
Black Rust
Also referred to as wet storage staining. A gray or black stain that occurs on Galvalume® material when water is introduced between tightly-stacked sheets. It is a fast-developing corrosion that occurs due to the lack of an inhibiting oxide film (also see White Rust).
Bar Joist
A name commonly used for “open web steel joists” used as roof system supports.
Building Width
No matter what primary framing system is used, the building width is defined as the distance from outside of girt of one sidewall to outside of girt of the opposite sidewall.
Building Length
The distance between the outside of endwall girts in opposite endwalls is considered the building length and is a combination of several bay lengths.
Bracing
Rods, angles or cables used in the plane of the roof and walls to transfer loads, such as snow, wind, seismic and crane thrusts to the foundation.
Bay Spacing
The distance between primary framing members measured parallel to the ridge or eave. Interior bays are measured from centre line of frame to the center line of frame.
Building Height
Building height is the eave height, which usually is the distance from the bottom of the main frame column base plate to the top outer point of the eave strut. Eave height is the distance from the finished floor to the top outer point of the eave strut.