Simplex's Curved G2K Series features a unique design that distinguishes itself from other currently available plank curved ceilings system. This self-alignment system provides a true alignment between panels for a seamless fit. Irregularities caused by sagging, deviation and misalignment of long planks are now eliminated, producing a clean and monolithic appearance. Accessibility Interior: System is 100% accessible. Every panel can be demountable with an upward motion. Exterior: Progressive accessibility from specific access points. Panels Brake formed square or rectangular shapes, are available in a wide range of standard or custom sizes and radius, both concave and convex - Contact us for more information (800-638-5726) or our Agent representative in your area for more details of this system capabilities and limitations. Perforations A variety of round, square, rectangular, oblong, slotted and custom perforation patterns are available to meet your project requirements. Please consult the factory Perforations link for more information. Finishes Simplex Ceilings offers a wide range of finishes applied on aluminum or steel alloys. Simplex Ceilings has custom finish selections to suit every customer need. Please consult the factory Finishes link for more information. Acoustics Simplex Ceilings offers a variety of sound absorbing backing, each of which can achieve a N.R.C. (Noise Reduction Coefficient) value ranging from .55 to .96. Please consult the Acoustical link for more information. Fire Rating All metal panels and associated suspension systems are Class I, 0-25 Flame Spread, as tested in accordance with ASTM E84. For more technical details, please refer to our Architectural Specifications and/or Technical Data links. Contact us (800-638-5726) or our Agent representative in your area.