Chapter Twenty-One Flashcards
Extrusion
The process of squeezing a material through a shaped orifice to produce a linear element with the desired cross section; an element produced by this process.
Die
An industrial tool for giving identical form to repeatedly produced or continuously generated units, such as a shaped orifice for giving form to a column of clay, a steel wire, or an aluminum extrusion; a shaped punch for making cutouts of sheet metal or paper; or a mold for casting plastic or metal.
Thermal break
A section of material with low thermal conductivity installed between metal components to retard the passage of heat through a wall or window assembly.
Anodizing
An electrolytic process that forms a permanent protective oxide coating on aluminum, with or without added color.
Storefront
Similar to curtain wall systems, but based on simplified, lighter framing elements that are less expensive and quicker to assemble.
Stick system
A metal curtain wall system that is largely assembled in place.
Outside glazed
That glass must be installed or replaced by workers standing on scaffolding or staging outside the building.
Inside glazed
Workers stand inside the building. Inside glazing is more convenient and is more economical for a tall building, but it requires a somewhat more elaborate set of extrusions.
