- The El Grande porcelain steel markerboard features a 5' high surface to accommodate a variety of ages and needs, or to meet ADA requirements. - Magnetic porcelain steel markerboards are engineered for superior color contrast with dry erase markers. - Low gloss porcelain dry erase surface provides superior writability and erasability with no ghosting. Reduced surface light distortion enhances visibility to provide optimum eye comfort. - Steel surface is permanently laminated to a particle board substrate for stability and durability. - Also available in a matte gray finish that cuts glare by 60% over standard porcelain steel, making it a superior choice for audio/visual environments. Projection surface requires cleaning with a damp cloth for optimum performance. Some ghosting may occur. - Anodized aluminum trim has a 7/8" profile with hairline mitered corners. Includes a full-length tackable map rail with a colored cork insert, and a full-length accessory tray with rubber Dura-Safe end caps to eliminate sharp edges. - Class A Fire Rated board. A full test report copy is available upon request. - Made in the USA. 50 year guarantee. Standard off white surface is GREENGUARD Indoor Air Quality Certified and GREENGUARD Children & Schools Certified. - TAA compliant.