Louwes Windows and Siding:
Serving Niagara Region Since 1966

Serving homeowners in the Niagara Region for over 50 years, the family and staff of Louwes Windows and 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.

Add Curb Appeal Without Breaking the Bank

Louwes Windows and Siding specializes in exterior renovation projects including windows and doors, siding, sunrooms, awnings and eavestroughs. 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.


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 and 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 is Canada's leading manufacturer of vinyl replacement windows and Louwes Windows and 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 offer Canadians exceptional value for their money.

Louwes Windows & Siding
3435 King Street
Vineland, ON L0R 2C0

Monday – Friday:
7:30 AM - 5:00 PM

Saturday:
8:00 AM - 12:00 PM



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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