Combine markerboards and tackboards in one attractive and modular unit. 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.