Features: Good substitute of Danoline, USG, Boral and Gyptone 1. Sound Absorption 2. Fire Rated and Heat Insulation 3. Light weight, No Sag, No Warp 4. Easy Installation, Dimensionally Stable 5. Asbestos Free-100% asbestos free and environmentally friendly Key Specifications: Hole: 3mm x 3mm square hole, 8.33mm C / C Hole: 3mm round hole, 8.33mm C/C-new Hole: 12mm x 12mm square hole, 25mm C / C Hole: 6mm x 6mm round hole, 18mm C / C Also mixed holes, irregular holes, slot holes (tangent) is optional Thickness: 9.5mm, 12.5mm Size: Metric System 595mm x 595mm, 1200mm x 2400mm Imperial System 603mm x 603mm (2ft x 2ft) , 1220mm x 2440mm (2ft x 4ft) Package: carton and pallets.