NASCLA Commercial General Building Contractor Exam — All Questions
Alltopics.nascla_procurement_contractingtopics.nascla_general_requirementstopics.nascla_site_constructiontopics.nascla_concretetopics.nascla_metalstopics.nascla_mechanical_plumbingtopics.nascla_woodtopics.nascla_thermal_moisturetopics.nascla_finishestopics.nascla_masonrytopics.nascla_doors_windows_glazingtopics.nascla_electrical
1 questions
topics.nascla_finishes
A wall is scheduled to receive gypsum board with a smooth painted finish under critical lighting. Which describes the correct sequence of finishing the board?
- a.Tape the joints, then apply successive coats of joint compound and sand to a smooth, uniform surface before priming and painting✓
- b.Paint the board first, then tape the joints
- c.Leave the joints untaped because paint will hide them
- d.Apply mortar to the joints
Gypsum board joints are taped and then covered with successive coats of joint compound, each sanded smooth, to produce a flat surface. Higher finish levels (needed under critical lighting) require more coats and careful sanding, followed by priming before the finish paint.Gypsum board finish levels (finishes)