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We are a Certified GAF lifetime roofing contractor, and we can offer better warranties than our competition.

Les Grumdahl Window & Siding - Logo
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About

About Les Grumdahl Window & Siding

Limited Lifetime Warranty | Free Estimates | Certified Installation

Limited Lifetime Warranty

Free Estimates

Certified Installation

Hours:

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window with chimney

Your Home Exterior Team Since 1947

Grumdahls Rusco Awning and Window Company was founded in 1947 by Ivar Grumdahl. Les Grumdahl worked at an early age for his father, and in 1994, he rebranded the company as Les Grumdahl Window & Siding. The company is now going on to the third generation. Ryan Grumdahl, Les's son, joined the company in 1995 as a partner with his father.


At Les Grumdahl Window & Siding, we are dedicated to providing quality exterior home products and certified installation. In 2021, we built a new warehouse, offices, and showroom to better serve our customers. We serve residential and commercial customers, and many of our products have a limited lifetime warranty. Get a free estimate today!

About Us

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Products

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