Jumbo Building Products is a family-owned and operated business that offers a comprehensive range of exterior building products, including windows, doors, siding, eavestroughs, railings, and decking, serving the St. Thomas area and surrounding regions. Our mission is to provide top-notch products and exceptional customer service to help you build, renovate, or upgrade your home or building project.

A1 Unique Installations is a family-owned business that has been providing expert window and door installation services to residential and commercial properties in St. Thomas, London, and surrounding areas for over 38 years. With a commitment to quality, energy efficiency, and customer satisfaction, our certified Window Wise installers use only the best Canadian-made products to ensure a seamless and hassle-free experience for our customers. Our approach is simple: we meet with you at your home, provide professional product advice, take measurements, and deliver expert installation with no high-pressure sales. Our showroom is located at 16 Barrie Blvd, Unit 5 in St Thomas, and we welcome the opportunity to discuss your window and door needs.