Types of Gypsum Board

Question 1

square or tapered edge

Answer 1

foil-backed boards

Question 2

square edge

Answer 2

pre-finished board

Question 3

tapered or rounded edge

Answer 3

type-x board

Question 4

square or tongue-and-groove edge

Answer 4

coreboard, backing board, sheathing board

Question 5

used to line elevator shafts, stairways, and mechanical chases and as a base in solid gypsum partitions

Answer 5

coreboard

Question 6

_______ serves as a vapor starter and as a reflective thermal insulator when facing a ______ minimum dead air space

Answer 6

Foil-backed boards, 3/4” (20mm)

Question 7

used as a base from ceramic or other non-absorbent tile in high moisture areas

Answer 7

water-resistant board

Question 8

core has glass fibers and other additives to increase its fire-resistnace

Answer 8

type-x board

Question 9

vinyl or printed paper surface in various colors patterns and textures

Answer 9

pre-finished board

Question 10

used as the base layer in a multilayer assembly for increased rigidity, sound insulation, fire resistance

Answer 10

backing board

Question 11

has a fire resistant core and faced with a water-repellant paper for use as exterior sheathing

Answer 11

sheathing board

Question 12

used as the base layer in sound control walls

Answer 12

1/4” (6mm) regular wallboard

Question 13

used in multilayer construction and for remodeling projects

Answer 13

3/8” (10mm) regular wallboard

Question 14

for single layer construction

Answer 14

1/2” (12mm) and 5/8” (16mm) regular wallboard

Question 15

regular wallboard size

Answer 15

4’ wide x 8’ to 16’ long; 1.22m wide x 2.44m to 4.875m long

Question 16

coreboard size

Answer 16

1” (25mm) thick, 2’ wide x 4’ to 16’ long; 61cm wide x 1.22m to 4.87m long

Question 17

foil-backed boards size and thickness

Answer 17

3/8” (10mm), 1/2” (12mm) to 5/8” (16mm) thick, 4’ wide x 8’ to 16’ long,

1.22m wide x 2.44 m to 4.87m long

Question 18

water-resistant board size

Answer 18

1/2” (12mm) to 5/8” (16mm) thick

4’ wide x 8’ to 12’ long

1.22 m wide x 2.44m x 3.66m long

Question 19

type-x board size

Answer 19

1/2” (12mm) to 5/8” (16mm) thick

4’ wide x 8’ to 16’ long

1.22m wide x 2.44m to 4.87m long

Question 20

pre-finished board size

Answer 20

5/16” (8mm) thick

4’ wide x 8’ long

1.22m wide x 2.44m long

Question 21

backing board

Answer 21

3/8” (10mm), 1/2” (12mm) to 5/8” (16mm) thick

4’ wide x 8’ long

1.22m wide x 2.44m long

Question 22

sheathing board size

Answer 22

1/2” (12mm) to 5/8” (16mm) thick

2’ to 4’ wide x 8’ to 10’ long

61cm to 1.22m wide x 2.44m to 3.04m long

Question 23

tapered edge

Answer 23

regular wallboard, water-resistant board