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.