Standard 15/16" capped grid face. Fire Rated System as tested in accordance with ASTM E 119. Double web design. Components feature hot dipped galvanized steel web and capped face for superior corrosion resistance. Main runners have non-directional boyonet couplings and are available in 12', 10', and 8' lengths. Intermediate and Heavy Duty ASTM load bearing capabilities. Cross tees are available in lengths of 1' to 8' for a wide variety of possible modular configurations. Integral cross tee end tabs for positive locking and easy diassembly. Cross tees feature stepped-end design that resists twisting and provides a professionally finished appearance. High and low profile cross tees to meet various economic and strength needs. All components - both main runners and cross tees - are manufactured from the same metal fro added strength and stability when installed. Meets or exceeds building code requirements including Seismic Zones 0-2. All components available in metric lengths with corresponding metric slotting. Available in a variety of colors and finishes.