Building Materials

Cedar vs Pressure Treated Lumber

Julius Cedar Team 2026-06-05

Comparing Western Red Cedar and pressure treated lumber for outdoor projects — durability, appearance, safety, and maintenance.

Cedar vs Pressure Treated Lumber

Both Western Red Cedar and pressure treated lumber are used for outdoor projects, but they differ in durability, appearance, safety, and maintenance.

Durability

Western Red Cedar is naturally resistant to rot and decay thanks to its natural oils. Pressure treated lumber is chemically treated to resist rot and insects. Both perform well outdoors, but cedar's resistance is natural, while pressure treated relies on chemical treatment.

Appearance

Cedar has a warm, natural colour and straight grain that ages gracefully to a silver-grey patina. Pressure treated lumber has a greenish tint from the treatment process and often requires staining to look finished.

Safety

Cedar is naturally safe for food-contact applications, making it the preferred choice for garden boxes and raised beds. Pressure treated lumber contains chemicals that may not be suitable for food-contact applications.

Maintenance

Cedar requires periodic staining or sealing to maintain its colour and protect against weathering. Pressure treated lumber also requires sealing and staining, particularly after installation.

Which Should You Choose?

  • Cedar — visible projects, garden boxes, fencing, decking, siding
  • Pressure Treated — structural framing, ground contact, budget projects

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