Drywall C-9 Exam Questions with 100% Verified Correct Answers 2025/2026

Drywall C-9 Exam Questions with 100% Verified Correct Answers 2025/2026 Spacing? When single nailing ceiling to wood? - Correct Answer 7" Spacing? One single nailing wall onto wood? - Correct Answer 8" Minimum and maximum distance from edge, when single nailing wood frame - Correct Answer 3/8 inch but no more than 1 inch Double nailing spacing on wood framing (ceiling) - Correct Answer 7" around edges 8" in the field 2-2 1/2 (between double mail) Double nailing spacing on wood framing, ( wall) - Correct Answer 12" in field 8" in edge 2-2 1/2 (between double mail) Screw to wood on ceiling - Correct Answer 12" in field Screws to wood on wall - Correct Answer 16" Adhesive to wood " - Correct Answer 16" field 24" edges What stud is used for nonload bearing partitions? - Correct Answer 25. Gauge metal stud. What state is used for loadbearing partitions? - Correct Answer 16 gauge metal stud What number asphalt felt strip should be placed between a stud in a wall surface? - Correct Answer 15