PREMIER INSULATING GLASS MANUFACTURER

Located in Bloomer, WI, Glass Insulators Inc is a distinguished manufacturer of insulating glass, renowned for our commitment to high-performance glass products and exceptional customer service. Established in 1992 and family-owned, we specialize in serving door and window manufacturers across the upper Midwest.

Our mission is to set standards in service, quality, and innovation. Certified by IGCC®/IGMA® for installation in ENERGY STAR® approved windows and doors, we also produce premium storm windows. With our insulating units backed by a 20-year limited warranty, we prioritize unmatched service and lead times.