To all our customers and contractors as per the Government of Ontario's request and in doing our part to restrict the spread of the Covid 19 virus we will be closed to the public for the next 2 weeks as of 11:59 pm, March 24, 2020. We will still be able to be reached via email. Please refer to our website for any upcoming changes. Thank You.

50 Years of Experience

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siding and more from our experienced team

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Louwes Windows & Siding: Quality Windows for the Niagara Region

If you’re a homeowner looking for quality windows in the Niagara region, look no further. For over 50 years, the family and staff of Louwes Windows & Siding have built a solid reputation for providing top-quality renovation products backed by hassle-free installations and superb workmanship. We are home improvement specialists, offering expert advice, quality installation, and affordable pricing on all your exterior home improvement needs.

Specializing in exterior renovation projects, including windows and doors, siding, sunrooms, awnings, and eavestroughs, we can help you add some curb appeal without breaking the bank. What's more, we're partnered with some of the best brands in each industry to bring value and peace of mind to your renovation.

Great Value for Windows and Siding

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Guaranteed Workmanship and Financing

We've all heard renovation horror stories; maybe you have even had the misfortune of being mixed up in one yourself. Well, what if we told you renovations don't have to be difficult? At Louwes Windows & Siding, we provide an extensive guarantee on all our workmanship. It's just one of the ways we aim to provide peace of mind and total customer satisfaction. We also offer flexible financing to accommodate any family budget.

Your North Star Window Supplier

North Star

North Star is Canada's leading manufacturer of vinyl replacement windows and Louwes Windows & Siding is proud to be one of their largest suppliers in the Niagara region. From attractive, energy efficient vinyl windows to stunning patio doors, North Star offers Canadians exceptional value for their money.

Ready to get started? Give us a call today!

About Us

Proud to serve the Niagara region since 1966


We provide high-quality windows, doors, siding, and more

Got Questions?

Call us for a free estimate on any of our products and services

Louwes Windows & Siding

3435 King Street

Vineland, ON L0R 2C0


  Opening Hours

New Winter Hours Beginning Monday, December 2, 2019

Monday - Friday: 8 am to 5 pm

Closed Saturdays until April 2020

  Service Area

  • St. Catharines

  • Vineland

  • Grimsby

  • Beamsville

  • Jordan

  • Niagara on the Lake

  • Niagara Falls

  • Thorold

  • Pelham

  • Fonthill

  • Fenwick

  • Ridgeville

  • Welland

  • Wainfleet

  • Grassie

  • Fort Erie

  • Dunnville

  • Surrounding areas

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