Welcome to
Modern Windows

From traditional to modern decors, our windows, doors and patio doors are designed and built to exact specifications. Delivering impeccable style, dependable performance, enduring quality and tremendous value, their uncompromising durability provides years of maintenance-free performance while making your home more beautiful, safe and energy efficient. If you’re searching for a quality window and door retailer in St.Catharines or throughout the Niagara Region, Modern Windows is committed to the highest standard in productive innovation, excellence and attentive customer service while remaining focused on a green environment. Look no further than Modern Windows for your next window, door or patio door purchase.