Above Ground

ProWood® Above Ground pressure-treated lumber (UC3B) is ideal for areas that remain well-ventilated and at least six inches above the ground. Designed for low-risk environments, this treatment level protects against fungal decay and termite damage in dry, accessible applications.

With a lower chemical retention level than Ground Contact, Above Ground lumber is best suited for non-structural components and projects that can be easily replaced or maintained.

Backed by the ProWood Lifetime Limited Warranty, it’s a reliable solution for safe, long-lasting outdoor builds.

Where to Use Above Ground Lumber

Above Ground is ideal for applications that:

• Are at least six inches above the ground
• Have good drainage and airflow
• Are not critical to structural integrity
• Can be easily accessed, maintained, or replaced

Common Use Cases

Above Ground treated wood is commonly used for:

• Deck railings and balusters
• Lattice panels and privacy screens
• Porch ceilings
• Trim and fascia boards
• Pergola crossbeams
• Outdoor furniture and benches
• Fence pickets 

Benefits of Above Ground Treated Lumber

• Cost-effective for non-structural uses
• Meets AWPA standards
• Available in a variety of dimensions and profiles
• Backed by the ProWood® Lifetime Limited Warranty

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