Plaster applied in three coats over gypsum board or lath. In some older buildings, wood lath may be found.
Add component GAB (Metal Lath) for metal lath.
Consider smoothness of the final finish when selecting quality. If the ceiling has some waves in the finish of between 1/8" and 3/16", use a lower quality than a straight or plumb ceiling finish with only 1/32" to 1/16" variation in the final coat.
Enter the following for this component:
Percent of Total Floor Area: 1 – 100, or
Ceiling Area (Square Feet)
Ceiling