Serving the Niagara Region since 1966, the family and staff of Louwes Windows and Siding have built a solid reputation on offering excellent service, professional installation and superb workmanship. We are Home Improvement specialists: offering expert advice, quality installation and affordable pricing on all your exterior home improvement needs. We offer: North Star vinyl replacement windows, new construction windows, Trutech steel doors, North Star and Renaissance patio doors, Lifestyle Sunrooms, Gentek siding, soffit, fascia, eavestrough, shutters, Alurex gutter protection and much more. Our extensive guarantee on all our workmanship will give you peace of mind and total customer satisfaction. We also offer flexible financing* to accommodate any family budget.