Simplex's Exterior Plank Series combine the monolithic effect of the Snap-in Series, while keeping the elegant linear look of the Linar Series. The Exterior Plank Series flexibility in width and length permits to adapt itself to the required needs and can be modified to meet any wind loads condition. Accessibility System can be supplied with an access door for easy access to the plenum. Panels Brake formed square or rectangular shapes are available in a wide range of standard or custom sizes - Contact us for more information (800-638-5726) or our Agent representative in your area for more details of this system capabilities and limitations. 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. 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.