Commercial Building: Ceilings Insights

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Questions and Answers

Suspended ceilings are used widely in new _ construction.

Commercial

The area above a suspended ceiling can also be used as a _.

Plenum Chamber

A portable saw equipped with a 4 _ can be used to cut lightweight metal.

Special Metal cutting blades

Furring channel is wired or clipped at not less than 6 _ ______ to ______.

<p>24” center to center</p> Signup and view all the answers

Gypsum wallboard is applied with the long dimensions at _ to the furring channels whenever practical.

<p>Right angles</p> Signup and view all the answers

Tie wire is made from 9 or ______ gage steel wire.

<p>16 or 18 gage</p> Signup and view all the answers

The height of ______ is not the same as the height of the channel.

<p>Suspended Ceiling</p> Signup and view all the answers

A grade mark is used as a 12 of ______ for all calculations.

<p>Point of reference</p> Signup and view all the answers

An alternative method of obtaining a level ceiling is the ______ method.

<p>Water Level Method</p> Signup and view all the answers

The operation of the water level is based upon the principle that water 16 its own 17.

<p>Seeks its own level</p> Signup and view all the answers

If water fails to reach the same height in one end of a water level as in the other, then the hose probably contains ______ or foreign matter that must be removed.

<p>Air pockets</p> Signup and view all the answers

The two chief advantages of framing soffits with metal studs are that they provide a 20 covering for cold air 21 and that they will neither 22 nor 23.

<p>Nonflammable, returns,warp, shrink</p> Signup and view all the answers

To frame a soffit with metal studs, the drywall mechanic needs to know the 24 of the soffit and the 25 of the soffit.

<p>Depth , with</p> Signup and view all the answers

Flashcards

Plenum Space

The space above a suspended ceiling, often used for utilities or access.

Suspended Ceiling

A type of ceiling constructed with a framework of metal channels, typically with drywall attached for a finished look.

On Center

The distance between two mounting points, especially for furring channels.

Long Dimension

Installing drywall with the long side running parallel to the furring channels, optimizing stability.

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Tie Wire

A type of wire used for attaching drywall to framing.

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Channel Height

The height of the suspending channel in a suspended ceiling system.

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Grade Mark

A reference point marking the desired height of a ceiling or other surface.

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Water Level Method

Using a water level tool to determine the exact elevation of a ceiling, ensuring all points are level.

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14-15 Method

A method for leveling a ceiling using a straightedge and measuring tape, relying on precise measurements.

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Water Level Principle

The property of water to maintain a consistent level across its surface when undisturbed.

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Foreign Matter

Any substance blocking the flow of water in a water level tool.

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Soffit Covering

The covering used on the underside of a soffit, usually drywall or similar material.

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Metal Studs

Metal studs used for framing soffits, providing support and a smooth surface for drywall.

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Soffit Cavity

The space between the soffit and the ceiling above, often used for ventilation or utilities.

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Soffit Length

The overall length of a soffit along its main axis.

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Soffit Depth

The height/depth of a soffit, measured from the bottom to the top.

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Furring Channel

A thin metal strip with holes for attaching drywall.

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Gypsum Wallboard

A building material commonly used for interior walls and ceilings.

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Portable Saw

A type of saw designed for cutting lightweight materials like metal.

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Suspended Ceiling System

A suspended ceiling that is supported by rows of hanging metal channels, allowing access to the plenum space.

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Study Notes

Commercial Building: Suspended and Soffit Ceilings

  • Suspended ceilings are widely used in new construction
  • The area above a suspended ceiling can be used as a _________ area
  • A portable saw equipped with a 4 1/2 can be used to cut lightweight metal
  • Furring channels are wired or clipped at least 6 inches on center
  • Gypsum wallboard is applied with long sides parallel to the furring channels whenever possible
  • Tie wire is made from 9 or 10 gauge steel wire
  • The height of a surface is not the same as that of the channel
  • A grade mark is used as a 12 or 13 for calculations
  • An alternative method of achieving a level ceiling is the 14-15 method
  • The water level operation relies on water seeking its own level
  • If water is uneven in a water level, it may contain contaminants
  • Framing soffits with metal studs offers cold air insulation and reduces settling
  • A drywall mechanic needs to know the 24 and the 25 of the soffit to frame it correctly

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