drywall

regular gypsum panels

Are widely used for single and multi layer application. applied to interior walls and ceilings.

for screw installation, ceiling screws are placed how far apart?

12"

when double nailing center of nail pairs are how far apart?

12"

for screw installation, wall screws are placed how far apart?

16"

plasterboard (or gypsum lath) is available in ____ widths and usually ____ long

16" and 24" Widths 48" long

take at least ____ number of measurements to accurately location outlet or fixture openings on the sheet

2

in double nail spacing each pair is how far apart?

2" to 2 1/2"

core board used for shafts, firewalls, and stairways are commonly ____ thick?

3/4" or 1"

what thickness is used as a face layer in repair and remodeling work?

3/8"

drywall sheets are most commonly used in ____ widths

4'

avoid side joins how within how many inches of the outside edge of doors and windows?

6"

on ceilings nail spacing is what?

7" between nails

on walls single nail spacing is what?

8" between nails

most commonly used drywall lengths are

8' and 12'

Drywall sheets are manufactured in

8', 9', 10', 12', 14', and 16' lengths

plasterboard (or gypsum lath) is used as

a plaster base, replacing wood or metal in new construction

dimpling drywall creates what?

a pocket which is filled with joint compound

sound deadening board is used for?

a sub-layer with other types of drywall, usually type X (often only 1/4" thick)

foil backed board is used as?

a vapor barrier on exterior walls

corner beads are used on what?

all exposed corners

tapered edge

are for effective joint concealment

vinyl-surfaced board is

available in a variety of colors, is attached with special drywall finish nails, and edges are left exposed without joint treatment

when installing drywall what is installed first

ceiling panels

single nail spacing should be what?

driven from the center outwards with 7" between nails on ceiling and 8" between nails on walls

water resistant or moisture resistant gypsum board is also referred to as

green board

when laying out drywall sheets one should try to minimize what?

joints / seams

pre-decorated drywall has

rounded or beveled edges

type X drywall has

special additives that make it fire resistant

water resistant or moisture resistant gypsum board has

special moisture-resistant core and paper cover that is chemically treated to repel moisture

backing board is as?

the base layer in multi layer systems

drywall sheets are cut using what?

utility knife and T-square

sheets may be installed how?

vertically or horizontally

ceiling panel installation is followed by what?

wall sheet installation

casing bead is used where?

where drywall sheets butt at wall intersections and match the thickness of the wall

what are commonly used thicknesses of gypsum panels used in single layer wall and ceiling application?

1/2 and 5/8"

when cutting drywall gaps of how many inches are acceptable at the top and bottom because they will be covered

1/2"

what thickness is used as a base layer in multi layer applications?

1/4"

for two layer drywall use what size corner bead?

1 1/4" x 1 1/4"

for 1/2" or 5/8" drywall use what size corner bead?

1" x 1 1/4"

for 3/8" or 1/2" drywall use what size corner bead?

1" x 1"