Drywall
Vinyl
Available in a variety of colors, attached with a special drywall finish nails; edges are left exposed without joint treatment.
Backing Board
Base layer in a multi-layer systems. Has a gray paper lining on both sides and is not suited for finishing or decorating.
Thickness of Drywall for Core board and Liner boards
3/4" or 1" used for shafts, firewalls and stairways.
Thickness of Drywall for Face Layer
3/8" thickness is applied as a face layer in repair and remodeling work over existing surfaces. Multi-layer applications in new construction.
Sheet Lengths
Specialty: 9' 10' 14' and 16' Common: 8' and 12'
6" Finishing Knife
Used to bed tape in the first layer of joint compound and for filling nail or screw "dimples".
Chalk line
Used to facilitate layout.
Clinch-On Cornerbread Tool
Used to fasted corner bread, this process eliminates the use of nailing or screwing corner bead in place.
Mud Pan
Used to hold and carry joint compound.
T-Square
Used to lay out and guide a 90 degree cut on drywall.
Utility knife
Used to score/cut drywall.
Surform
Used to smooth drywall edges after cutting.
Drywall Hammer
Crown (convex) head to imprint nail and form a dimple without tearing the paper.
Type-X
Drywall has special additives that make it fire-resistant, used in homes.
Corner Trowel
Flexes from 103-90 degrees. Used to apply joint compound in interior corners.
Water Resistant (WR)/ Moisture Resistant (MR)
Gypsum board that has been chemically treated to repel moisture. Used in high moisture places, bathrooms, laundries, and commercial kitchens. Referred to as green board.
Thickness of Drywall of Single Layer
1/2" and 5/8" used for single layer wall and ceiling application in residential and commercial construction.
Thickness of Drywall for Base Layer
1/4" thickness is used as a base layer in multi-layer applications.
Requirements
1) Moderately low moisture to reduce "nail pops" which causes the nail head to form "humps" 2) Stud alignment-- misalignment causes wavy, uneven appearance. 3) Ceiling joist alignment-- strong backs provide for alignment of ceiling joists and can be used at the center of a spam when center of a span when ceiling joists are uneven.
Advantages
1) Saves time in construction-- has a short drying time. 2) Many types for multiple uses.
Regular Gypsum Drywall
1) Tapered edge for effective joint concealment. 2) Pre-decorated drywall has rounded or beveled edges.
Width
Most commonly used in 4' widths.
Sound Deadening
Used as a sub-layer with other types of drywall; often only 1/4" thick.
Foil-Backed Board
Used as a vapor barrier on exterior walls.
16" and Wider Finishing Knives
Used for applying the topping coat of joint compound.
Drywall Carrier (lifter)
Used for carrying and lifting drywall sheets.
Foot lift
Used for carrying and lifting drywall.
Keyhole Saw
Used for cutting out irregular shapes and openings, such as outlet box openings.
12" Finishing Knife
Used for feathering out the second layer of joint compound and is usually adequate for the third (or topping) layer.
Sandpaper/Sponge
Used for feathering/smoothing dried joint compound.
Plasterboard
Used in plaster base, replacing wood or metal lath in new construction and renovations. Available in 16" and 24" widths is usually 48" long. Not compatible with Portland cement plaster.
Finishing/Drywall Knives
Used to apply and finish joint compound.