How far apart should a furring channel be for drywall?

The spacing of furring channels for drywall depends on the application, building codes, and the type of drywall being installed. Here are the general guidelines:

Standard Furring Channel Spacing for Drywall

✅ Walls:

• Typically spaced 16 inches on center (OC).
• Can be spaced 24 inches OC if using thicker drywall (e.g., 5/8-inch) or if local codes allow.

✅ Ceilings:

• 16 inches OC for most drywall installations.
• 24 inches OC when using resilient channels or thicker drywall for enhanced soundproofing.

Factors Affecting Spacing

• Drywall Thickness:
  • 1/2-inch drywall → 16 inches OC (recommended for ceilings and walls).
  • 5/8-inch drywall → Can be spaced up to 24 inches OC.
• Ceiling Load: If attaching insulation or acoustic panels, 16 inches OC is recommended for extra support.
• Fire-rated or Soundproof Installations: Closer spacing (e.g., 16 inches OC) helps maintain performance.