Les Grumdahl Window & Siding

Les Grumdahl Window & Siding is a window installer in Duluth, MN, serving residential and commercial clients with expertise in windows, siding, roofing, gutters, doors, and metal roofing. The company offers certified installation and free estimates, emphasizing long-term durability with most products backed by a limited lifetime warranty. With over 75 years of service since its founding in 1947 as Grumdahls Rusco Awning and Window Company, the business remains a family-owned operation now in its third generation, led by Ryan Grumdahl, son of founder Les Grumdahl. The company is a Certified GAF Lifetime Roofing Contractor and provides comprehensive exterior solutions across the Northland region. It holds a 4.30 rating based on customer reviews, reflecting consistent satisfaction with quality and service.

The company was originally established in 1947 by Ivar Grumdahl and evolved under his son Les, who rebranded the business in 1994. Ryan Grumdahl joined as a partner in 1995, ensuring continuity and growth. In 2021, Les Grumdahl Window & Siding completed a new facility featuring a warehouse, offices, and a showroom to better serve customers. The team specializes in full-service exterior projects, from sales to installation, and is committed to meeting or beating qualified written estimates. Their product offerings include a wide range of high-performance materials designed for the region’s climate.

Located on McQuade Rd, the business sits about 0.2 miles from the Talmadge River and Chez Pond, with North Shore Drive and Congdon Boulevard nearby. The McQuade Small Craft Harbor is approximately 0.7 miles away, and the Clifton Fire Hall is about 1.5 miles from the site.

Known for reliability and long-standing presence in Duluth, Les Grumdahl Window & Siding stands as a trusted name in exterior home improvements, combining decades of experience with modern service standards. Their commitment to quality and customer satisfaction continues to define their role in the Duluth community.