Ideal for classroom environments, surfaces can be changed or replaced when they get worn or damaged, saving time and money. Anodized aluminum trim features easy to use H-channels to attach panels together, also enabling easy disassembly for panel replacement. Writing surfaces include a full length map rail and accessory tray with Dura- Safe® rubber end caps. Porcelain steel - 50 year guarantee. Vinyl tackboard - 10 year guarantee. GREENGUARD Indoor Air Quality Certified® and GREENGUARD Children & Schools CertifiedSM. TAA compliant.