Garage doors in Canada are made of materials suited to cold climate, primarily insulated steel, with other materials like aluminum, wood, and vinyl also used. The most common material for garage doors in Canada is insulated steel, which is three-layer construction with steel exterior, polyurethane foam insulation core, and steel interior, providing R-value 12 to 18 for energy efficiency and durability in cold winters, resisting warping and low maintenance. Garaga and Richards-Wilcox, leading Canadian manufacturers, make most doors from galvanized steel with baked-on paint finish. Aluminum garage doors are also common in Canada, especially for modern homes with glass panels, made from lightweight aluminum frames with glass or insulated panels, rust-proof but less insulated than steel unless with thermal break. Wood garage doors are used for premium homes, made from cedar, hemlwood, or composite wood, offering natural beauty but requiring more maintenance in Canadian climate with staining and sealing to prevent rot. Vinyl garage doors are made from PVC, lightweight, rust-proof, and low maintenance but less insulated. Fiberglass garage doors are less common but used for coastal areas as they resist salt. Canadian garage doors emphasize insulation, with polyurethane foam being best for cold, plus weatherstripping and bottom seals to keep out snow and cold. So garage doors in Canada are mainly insulated steel, with aluminum, wood, and vinyl as alternatives, all designed for cold weather energy efficiency.
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