furring channel spacing

"Furring channel spacing" refers to the distance between parallel furring channels (also known as hat channels or metal furring strips), which are used to support drywall, plaster, or other wall and ceiling finishes.

Common Spacing Guidelines:

For Walls:

• 16 inches on center (OC) – most common for residential and commercial drywall installation.

• 24 inches OC – acceptable in some applications, especially with thicker drywall (5/8") or when local code allows.

For Ceilings:

• 16 inches OC – standard for suspended or drop ceilings.

• 12 inches OC – used for heavier ceiling loads or to reduce sag over time.

Factors That Affect Spacing:

• Type and thickness of drywall or paneling being attached.

• Ceiling vs. wall installation.

• Weight of fixtures (e.g., lighting, sound panels).

• Local building codes.

• Structural load requirements.

If you're using resilient furring channels (like RC-1 for soundproofing), spacing is typically 24" OC on walls and 16" OC on ceilings.