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Get New Windows from
Wisconsin's Window Experts

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Beautiful, Energy-Efficient Windows
for Wisconsin Homeowners

With over 29 years specializing in windows for Wisconsin homes, TightSeal is your trusted company for quality windows. We pride ourselves on American-made windows that are both functional and beautiful. That’s why our windows come with a lifetime guarantee and A+ energy rating. At TightSeal, you can rest assured that your windows will be meticulously handcrafted to be as beautiful as your home.

Customers reviews

At TightSeal, we pride ourselves in the customer experience. We treat our people right. See what others are saying about us!

TightSeal was recommended to us by our friends. Our old windows were original to the home, they were hard to open and moldy. Our new windows are stunning!!
Waueksha, WI
We had our windows replaced in just one day! Cleaned up after themselves and entire process was professional. We recommend them to everyone.
Elkhorn, WI
TightSeal showed us all our options that we didn't even know were out there. Our friends and family love our new windows and so do we.
Racine, WI

Custom-Made Windows Designed for YOUR Home

At TightSeal, we understand that your home is unique. Our windows are custom-made and designed to fit perfectly in your home. No matter the style, size or color, TightSeal will work with you to find something you love. We can match existing wood trim in your home or help you pick something new. You’ll love the custom woodwork from our TightSeal craftsmen. You’ll be amazed by the difference of our custom-designed windows.

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