System Engineering
- Grid Components Main tee load: 12-16 lbs/ft. Cross tee capacity: 6-8 lbs/ft. Wall angle strength: 300-400 lbs. Splice strength: 180-200 lbs. Hanger capacity: 200-250 lbs.
- Material Properties Steel gauge: 0.020-0.025". Aluminum thickness: 0.019-0.024". Coating thickness: G30-G90. Tensile strength: 30-35 ksi. Yield point: 25-30 ksi.
- Panel Specifications NRC rating: 0.55-0.70. CAC range: 33-40. Light reflectance: 0.80-0.85. Fire rating: Class A. Sag resistance: <1/8" in 12'.
Installation Standards
- Layout Requirements Grid spacing: 24" or 48". Hanger spacing: 48" max. Perimeter support: 8" max. Level tolerance: ±1/8" in 12'. Square tolerance: 1/16" in 2'.
- Seismic Design Category D-F compliance. Lateral force: 0.4-0.6g. Compression post: 144 ft². Perimeter clip strength: 180 lbs. Safety wire: 12 gauge.
- Integration Factors Plenum depth: 6-18". Light fixture support: 25-50 lbs. HVAC integration: 0.25-0.5" clearance. Sprinkler drop: 1-3". Access panel rating: 150 lbs.
Performance Metrics
- Acoustic Properties Sound absorption: αw 0.60-0.95. Impact isolation: IIC 50-60. Background noise: NC 30-35. Reverberation time: 0.4-0.6s. Flutter echo: <10%.
- Environmental Control Thermal resistance: R-2 to R-4. Humidity range: 20-80%. VOC emissions: <0.5 mg/m³. Mold resistance: score 10. Recycled content: 30-70%.
- Durability Standards Service life: 15-20 years. Impact resistance: Grade 3. Scratch hardness: 4H. Chemical resistance: pH 6-8. UV stability: Grade 1.
Maintenance Protocol
- Inspection Schedule Visual check: semi-annual. Grid alignment: annual. Panel condition: quarterly. Hanger tension: bi-annual. Seismic inspection: post-event.
- Cleaning Requirements Surface cleaning: quarterly. Deep cleaning: annual. Dust removal: monthly. Sanitization: semi-annual. Air quality test: annual.
- Replacement Criteria Panel damage: >10% area. Grid deflection: >1/4". Color fade: ΔE >3.0. Acoustic loss: >5 dB. Structural integrity: any compromise.