PRANCE metalwork is a leading manufacturer of metal ceiling and facade systems.
3/8 gypsum board
Technical Specification
| Attribute | Details |
|---|---|
| Brand Name | PRANCE |
| Material | Aluminum alloy, Stainless Steel |
| Usage | Interior ceilings & exterior facades & wall cladding |
| Function | Acoustic control, Decorative, Ventilation, Shading |
| Surface Treatment | Powder coating, PVDF, Anodized, Wood‑/Stone‑grain, Pre‑coating, Printing |
| Color Options | RAL colors, Custom, Wood tones, Metallics |
| Customization | Custom shapes, Patterns, Sizes |
3/8 Gypsum Board FAQ
1. Can 3/8 drywall be used on commercial ceilings?
Generally no for single-layer direct framing applications under ASTM C840 and GA-216, because thin 9.5 mm boards risk deflection sagging across standard framing. However, specifiers utilize 3/8-inch boards as secondary laminated face layers in multi-ply acoustic assemblies or curved barrel vault transitions. Flat commercial ceilings mandate 1/2-inch or 5/8-inch boards.
2. What framing spacing prevents 3/8 drywall ceiling sagging?
Contractors must restrict framing spacing to 12 inches (305 mm) on-center when applying 3/8-inch board to ceiling sub-structures, effectively countering gravitational deflection. Increasing framing span beyond 16 inches causes severe sag over time under high humidity conditions. Always stagger butt joints perpendicular to framing members to preserve ceiling plane integrity.
3. Can 3/8 drywall improve acoustic sound transmission?
Yes, laminating 3/8-inch board over existing partition layers with viscoelastic damping compound significantly increases Sound Transmission Class (STC) ratings.
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