Plan Scale Converter

Wall Type Quick Reference

• Standard Partition: 2×4 studs @ 16″ OC, 1/2″ GWB both sides
• Demising Wall: 2×6 studs @ 16″ OC, 5/8″ Type X both sides (1-hr)
• Shaft Wall: 1″ liner panels, H-studs, 5/8″ GWB outside
• Sound Wall: Staggered 2×4 studs on 2×6 plate, insulation, 5/8″ Type X

Drywall Board Reference

• 1/2″ Regular: Walls & ceilings (typical)
• 5/8″ Type X: Fire-rated assemblies
• Moisture Resistant (Green Board): Baths/kitchens
• Paperless/Abuse Resistant: Corridors, schools

Screw Spacing (per GA-216)

• Walls: 16″ OC studs → screws @ 16″ OC
• Ceilings (perpendicular): 12″ OC
• Ceilings (parallel): 7″ OC
• Type X: Often closer spacing — check design

Finish Levels (GA-214)

• Level 0: No finish, temporary
• Level 1: Tape embedded, storage areas
• Level 2: Tape + compound, garages
• Level 3: Ready for heavy texture
• Level 4: Standard paint finish
• Level 5: Skim coat, gloss/dark paint

Fast Board & Stud Estimator

Assumes 4×8 sheets, 16″ OC studs. Adjust for 12′ boards to reduce joints.

Opening Deduction (Doors & Windows)

Your Notes & Links