Cboard RG is composed of Portland cement, high purity silica sand, reinforcing pulp recycled in our facilities and additives for water, and fire resistance properties. Cboard RG is a state-of-the-art asbestos free, highly durable and practical board used in many finishing applications; partition walls, dry linings, suspended ceilings, flooring, and external cladding. Cboar RG is impact resistant, durable and requires low maintenance. All materials are certified based on ASTM and EN standards and tested in approved laboratories. Advantages A solidly light regular fiber cement board ideal for indoor applications. Surface Finishing: Multiple finishing options: Painted (Water or oil bas paint) Wallpaper, vinyl,woodâ?¦ Joint filling with Ccoat Multipurpose Joint Compound Edge Types: Squared edge Tapered Edge Standards: ASTM C1186 ASTM E84 ASTM C518 Dimensions: Width 1200mm 1220mm Length 2400mm, 3000mm Thickness: 4.5mm, 6mm, 8mm, 9mm, 10mm, 12mm, 16mm, 18mm, 20mm