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St. Catharines Building Supplies has proudly served Niagara builders, contractors and individuals since 1968! We’re a full-line lumber and building supply dealer – plus, we carry one of the largest indoor and outdoor displays of landscaping supplies in the Niagara region. This includes an outstanding selection of exterior finishes such as brick, stone, cultured stone and masonry supplies. Furthermore, we inventory a full range of drywall, insulation, lumber and plywood, siding, steel studs, as well as concrete repair products. Our knowledgeable and experienced staff is ready to answer questions and take your orders for pick up or delivery. Our fleet of boom trucks, flatbeds, hitchhikers and dump trucks ensure you get what you want, when you need it. Ready to get started on a project? Send us a request a quote, or contact us. We’re located just north of the QEW on Bunting road.

We're a member of Castle

Canada’s premier buying group

Since 1963, builders, contractors and consumers have been relying on Castle as their building supply partner.  Whether you’re looking for lumber, building materials, hardware or advice, hundreds of Castle dealers across Canada are trusted to deliver quality products and value. Castle dealers are independent.  They run their own stores and businesses.  They know their communities, their customers, and their needs.  That’s why Castle members are growing and succeeding across Canada – they live in the communities they serve.  At Castle, we are your trusted building supply partner.

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