Gypsum Board

Question 1

Dry wall finishing level 0

Answer 1

Used in temporary construction or where ever the final decoration has not been determined.
No taping, finishing beads or corner beads.

Question 2

Dry wall finishing level 1

Answer 2

Used in plenum areas above ceilings.
Some degree of smoke control is provided, referred to as “fire taping”, but does not typically meet fire resistant assembly requirements. Surfaces shall be free of excess joint compounds. Tool marks and ridges are acceptable.

Question 3

Dry wall finishing level 2

Answer 3

Be used with a setting-type compound for areas where water-resistant gypsum backing board, is used as a substrate for tile.
Standard for garages, ware house and storage. Places where appearance is not important.

Question 4

Dry wall finishing level 3

Answer 4

Used in areas which will have heavy textures finishes before final paintings. Commercial-grade wall coverings for final decoration.
Should not be used where smooth painted surfaces

Question 5

Dry wall finishing level 4

Answer 5

Should be used where residential grade light duty wall coverings, flat paints or light textures are to be applied
Joints and fasteners should be sufficiently concealed if the wall coverings material is light weight. watch were joints are located in the sun light

Question 6

Dry wall finish level 5

Answer 6

is the highest quality finish is the most effective method to provide a uniform surface and minimise the possibility of joint photographing and of fasteners showing.
Can use a high gloss paint or where there is critical lighting

Question 7

Wire shields aka nail plates

Answer 7

Are small 1 1/2 inch (stud width) by 2 inch metal plates with four pointed legs that get hammered into the stud faces. install shields wherever a fastener might protrude into wiring or piping running with in a stud.

Question 8

Flexible metal corner tape

Answer 8

Used where the angle of an outside or inside corner exceeds 90 degrees, this paper corner tape has metal strips running down its center.

Question 9

Corner Bead

Answer 9

L-shaped piece of galvanised steel with holes drilled in its flanges.

Question 10

J-Bead aka J-Trim

Answer 10

Is used in places where a dry wall panel abuts a brick wall, window jamb, shower stall. Attach by using screws through the face of the panel

Question 11

Bullnose corner bead and flexible bead

Answer 11

Are made of vinyl and has a rounded 90-degree corner for a soft appearance. Used in an archway or curved window.