GROIN VAULT

Definition: 

Where two barrel vaults intersect perpendicularly. A single arch connects each pair of neighboring arches, and another larger arch connects each pair of diagonally opposite corners. Each of four triangular quadrants formed by these two crossing arches is vaulted in what is roughly a barrel vault.

JOIST

Definition: 

The primary horizontal member, which transfers a floor or roof load to beams, girders, and columns.

LEG IN

Definition: 

A curve that bends the ""easy"" way. Studs cannot be curved leg in.

LEG OUT

Definition: 

A curve that bends the ""hard"" way. Studs cannot be curved leg out.

LIGHT-GAUGE STEEL STUD

Definition: 

A cold formed steel stud made of sheet metal of 22 gauge to 16 gauge in thickness.

MATERIAL THICKNESS

Definition: 

The base metal thickness excluding any protective coatings. Thickness is expressed in mils (1/1000 of an inch).

MIL

Definition: 

A unit of measurement typically used in measuring the thickness of thin elements. One mil equals 1/1000 of an inch.

OPEN WEB JOIST

Definition: 

A fabricated structural steel truss usually made of steel angle sections and or bar members.

PUNCHOUT

Definition: 

A hole in the web of a steel framing member allowing for the installation of plumbing, electrical, and other trade installation.

RADIUS

Definition: 

A straight line extending from the center of a circle to its edge or from the center of a sphere to its surface.

RED IRON

Definition: 

Structural steel coated with a red oxide coating that resists rust formation.

SOFFIT

Definition: 

The underside of eaves and rakes (between the fascia board and the outside of the building). Soffits are usually vented to draw air into the attic.

SPLINE

Definition: 

A smooth curve made by connecting an array of points. Curve accuracy increases with the number of points used.

STUD

Definition: 

Vertical structural element of a wall assembly which supports vertical loads and/or transfers lateral loads.

STUD (PUNCHED)

Definition: 

A C-section, vertical framing member used to construct walls and partitions, that has a hole in the web allowing for the installation of plumbing, electrical, and other trade installation. The stud supports vertical loads and/or transfers lateral loads.

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