Metal Deck Glossary
Below are the standard terms and definitions used by manufacturers and others associated with the steel deck industry. Didn’t find the term you were looking for, give
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Acoustical Deck:
Metal deck panels with perforations that is backed with insulation to create sound reduction.
Button Punch:
A tool used to connect interlocking side laps.
Cellular Roof Deck:
Is a traditional corrugated roof deck with a flat piece of steel welded to the underside for increased spanning and loading capabilities while creating enclosed cellular raceways.
Center to Center Span:
The distance between the centerline of the supporting structural members.
Composite Floor Deck:
Metal deck used as a form to create a structural concrete slab with additional metal deck as reinforcement. This type of metal deck has embossments to help the concrete adhere.
Cover Width:
The width, each piece of metal deck, will cover.
Deck Bundle:
Multiple metal deck panels stacked and bound together for shipping and installation purposes.
End Closure:
A metal deck accessory made of flat steel used to create an edge of slab for the concrete.
Finish Paint:
Steel is coated with a thin layer of protective primer, .3-.4 mils per side, dried in an oven, and then a thicker coat of finish paint is applied to one or both sides, .6-.7 mils and then dried in an oven.
Flashing:
Thin pieces of impervious material installed to prevent the passage of water into a structure from a joint.
Form Deck:
Metal Deck used as a stay-in-place form for structural concrete.
Galvanized:
Steel, coated with a thin layer of zinc, for corrosion resistance.
Galvannealed:
Steel that is hot dipped, galvanized then heated to create a paint-ready matte finish.
Galvalume:
Steel coated with a thin layer of aluminum (55%) zinc (45%) alloy for corrosion resistance and durability.
Gauge:
The thickness of the steel.
Hanger Tabs:
An accessory attached to metal decking used to secure hanger wire for ceiling tile grids.
Interlocking Side-Lap or Seam:
Metal deck panels having a male and female side edge for interlocking or lapping the panels together.
Plastisol:
Galvanized G90 steel coated with a PVS Plastisol (plastic) coating for corrosion resistance in multiple high corrosion atmospheres.
Primer Painted:
Steel coated with a thin layer of protective primer, .3-.4 mils per side and then dried in an oven.
Pour Stop:
A metal deck accessory used around the perimeter of an opening to contain the concrete during placement.
Roof Deck:
Steel deck panels used as a structural substrate in roof construction.
Side-Laps:
Side of metal sheets where they connect with other metal sheets.
Slab Depth:
Amount of concrete poured plus the depth of composite decking.
Span:
The distance between supports on which the metal deck will sit on to create the floor or roof.
Sump Pan:
A metal deck accessory made of a flat sheet of metal used to support roof drains.
Span:
The distance between supports on which the metal deck will sit on to create the floor or roof.
