Grandrib Warranty

• Standard galvanized coating
• 30-year non-prorated film integrity warranty for walls and roofs
• 25-year warranty against fade and chalk for walls and roofs

Grandrib Plus Warranty

• Heavy duty galvanizing for long-term corrosion resistance
• 35-year non-prorated film integrity warranty for walls; 30 years for roofs
• 25-year warranty against fade and chalk for walls and roofs
• 10-year edge rust warranty against acid rain
• 25-year non-perforation warranty against acid rain for walls, 20 years for roofs