| Accessories |
Additions to the basic building, such as doors, windows, louvers, ventilators etc. |
| Anchor Bolts |
Hooked bolts cast in concrete foundations for anchorage of structural members. |
| Base Angle |
Continuous angle fixed to floor slab or grade beam for attachment of all panels. |
| Base Plate |
The plate of a column or beam which rests on the supporting surface. |
| Beam |
Horizontal structural member. |
| Beam-Column |
Building with intermediate columns. |
| Brace Rods |
Rods placed diagonally in roof and walls for transferring wind loads |
| Bridge Crane |
Overhead traveling crane supported on beams and rails. |
| Built-up Member |
(B.U.) Structural member formed by welding together web and flange plates. |
| Caulking |
Sealant used in making watertight joints. |
| Clear Span |
Building without internal columns. |
| Closure |
(Foam Closure) Profiled foam material used inside or outside profiled roof or wall panels to form weather tight seal. |
| Cold Formed |
Various steel shapes manufactured by roll – forming or pressing. |
| Column |
Vertical structural member. |
| Crane Beam |
Support for overhead traveling bridge crane. |
| Crane Rails |
Rails welded or bolted to crane beams to form the track for bridge crane wheels. |
| Curb |
Raised flashing around roof openings to form waterproof opening. |
| Damper |
Baffle plate in a ventilator. |
| Dead Load |
Weight of the structure. |
| D.S.D. |
Double slide door. |
| Eave |
Top of the sidewall. |
| Eave Height |
Height from top of eave strut to finished floor level. |
| Eave Strut |
Structural member at the eave which supports roof and wall panel. |
| Expansion Joint |
A break in the construction to allow for thermal expansion. |
| Flange Brace |
An angle from the flange of columns or rafters to girts and purlins to provide lateral support and stability. |
| Girt |
Secondary horizontal member to which wall panels are attached, usually cold formed “Z” |
| Grout |
Non-shrinking sand cement mixture used under base plates to obtain uniform bearing surface. |
| Haunch |
Intersection of column and rafter. |
| Header |
Horizontal member over an opening in a wall. |
| H.S.B. |
High strength bolts. |
| Hot Rolled |
Steel shapes formed while the steel is semi-molten. |
| Jack Beam |
A beam used to support a rafter instead of a column. |
| Jamb |
Vertical member at the side of a wall opening. |
| Joist |
Horizontal member for supporting floor or roof decking. |
| Knee |
See Haunch. |
| Liner Panel |
Interior wall sheeting. |
| Live Load |
Any variable temporary load on the structure. |
| Main Frame |
Primary members which support secondary members. |
| Mastic |
See caulking-sealant. |
| M.B. |
Machine bolt. |
| Mezzanine |
Intermediate floor between ground floor and first floor or roof. |
| Mono-Slope |
Single slope roof. |
| Parapet |
Vertical wall extension above the eave line. |
| Partition |
Internal wall. |
| Pitch |
Slope of the roof. |
| Pop Rivet |
Used for joining flashing and light gauge metal trims. |
| Portal Frame |
Column and beam bracing used in lieu of standard rod bracing, to provide clear access. |
| Post & Beam (P&B) |
Light endwall framing. |
| Primer Paint |
Factory applied paint to structural members providing protection during shipping and erection. |
| Purlin |
Secondary horizontal member to which roof panels are attached usually cold formed “Z” |
| Rafter |
Primary member supported on columns. |
| Ridge |
Peak of gabled building. |
| Rigid Frame (R.F.) |
Main frame of the building comprising columns and rafters. |
| Sag Rod |
Tie rods used to support flanges of girts or purlins. |
| Sealant |
See mastic-caulking. |
| Secondary Framing |
Secondary members or framing such as girts, purlins, eave struts etc. |
| S.D.S |
Self drilling screw – used for attaching panels and trims to girts and purlins. Pre-drilling is not necessary. |
| S.T.S |
Self tapping screw. Same function as S.D.S. but needs pre-drilled holes. |
| Shims |
Small steel plates used to level base plates or packing between structural members. |
| Sill |
The bottom horizontal member of a door or windows opening. |
| Skylight |
Translucent fiberglass panel used in the roof to transmit natural light. |
| S.S.D. |
Single slide door. |
| Soffit |
Underside of canopy, fascia or roof extension. |
| Span |
Distance from out to out of wall girts. |
| Splice Plate |
Plate used to connect two members. |
| Stiffener |
Plate welded to a member to prevent buckling. |
| Stitch Screw |
Used to fasten side laps of panels. |
| Truss |
Structural member made up of several individual parts welded or bolted together, the completed unit acting as a beam. |
| V.G. |
Valley gutter. |
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