Home Addition Services

Extend Your Home With Seasonal Additions

At Les Grumdahl Window & Siding, we're known as the local exterior experts. However, we also offer seasonal additions for residential and commercial customers in Duluth, MN. Just consider your full range of addition options:

• Sunrooms
• Three-season rooms
• Four-season rooms
• Enclosed porches

What do these rooms all have in common? First, they extend your living space. Creating additional living space for your home is invaluable. If you're looking for a way to enrich your life while capitalizing on your home's value, an addition like this can do the trick.

Second, these rooms all showcase windows! Everyone knows that Les Grumdahl Window & Siding is the best option for windows in Duluth, MN and beyond. For your additions, we have a variety of window options with endless customization designs.

If you're not sure what you want, don't worry! Our seasoned professionals will work with you to bring the indoors outdoors! We have a certified installation crew, and your investment is protected by our limited lifetime warranty. Visit us today to learn more!

Your Choice for a Residential and Commercial Contractor

Les Grumdahl Window & Siding is proud to be your choice for a local exterior contractor in Duluth, MN. We serve residential and commercial customers, and we've been in business since 1947. We've earned your respect, and we aim to keep it!

We'll go above and beyond for your satisfaction. In addition to carrying the best brands, we also work hard to offer the best prices. We have special discounts available too!

Our showroom is open and welcoming visitors! Stop by to start planning your project!