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Landscaping 20-ft Pressure Treated Lumber

12 results

Severe Weather 
2-in x 8-in x 20-ft #2 Btr Ground contact Pressure Treated Lumber

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3.2
6
Drying Method:Kiln-dried
Actual Thickness (inches):1.5
For Use with:Decking, Landscaping, Fencing
Multiple Sizes Available

Severe Weather 
2-in x 10-in #2 Btr Ground contact Pressure Treated Lumber

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for pricing and availability

3.2
6
Drying Method:Kiln-dried
Actual Thickness (inches):1.5
For Use with:Decking, Landscaping, Fencing

Severe Weather 
6-in x 6-in x 20-ft #2 Ground contact Pressure Treated Lumber

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2.7
10
Drying Method:Air dried
Actual Thickness (inches):5.5
For Use with:Decking, Landscaping
Multiple Sizes Available

Severe Weather 
8-in x 8-in #2 Btr Ground contact Pressure Treated Lumber

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for pricing and availability

3.2
6
Drying Method:Kiln-dried
Actual Thickness (inches):7.25
For Use with:Decking, Landscaping, Fencing

Severe Weather 
6-in x 6-in x 20-ft #2 Southern yellow pine Ground contact Pressure Treated Lumber

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Drying Method:Kiln-dried
Actual Thickness (inches):5.5
For Use with:Landscaping

Severe Weather 
2-in x 12-in x 20-ft #2 Southern yellow pine Ground contact Pressure Treated Lumber

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4.0
6
Actual Thickness (inches):1.5
For Use with:Decking, Landscaping

Severe Weather 
2-in x 12-in x 20-ft #2 Btr Ground contact Pressure Treated Lumber

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for pricing and availability

Drying Method:Kiln-dried
Actual Thickness (inches):1.5
For Use with:Decking, Landscaping, Fencing
Multiple Sizes Available

Severe Weather 
6-in x 6-in #2 Southern yellow pine Ground contact Pressure Treated Lumber

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for pricing and availability

4.4
2948
Drying Method:Kiln-dried
Actual Thickness (inches):5.5
For Use with:Decking, Landscaping, Fencing

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1-1/4-in x 6-in x 14-ft Standard Southern yellow pine Above ground Pressure Treated Lumber (Recommended for Deck Boards)

Severe Weather   1-1/4-in x 6-in x 14-ft Standard Southern yellow pine Above ground Pressure Treated Lumber (Recommended for Deck Boards)

Pressure treated southern yellow pine decking with a lifetime limed warranty.

Find Durable Pressure Treated Lumber for Outdoor Projects


Pressure treated lumber is an essential building material designed to withstand harsh outdoor conditions. Its chemical treatment process ensures enhanced resistance against moisture, insects and decay, making it ideal for a variety of outdoor building projects. Discover a wide range of high-quality pressure treated lumber options at Lowe’s to complete your next project with confidence.

Benefits of Pressure Treated Lumber

  • Enhanced Durability: Treated lumber provides superior protection against rot, decay and insect damage.
  • Long-Lasting Performance: It’s resistant to harsh weather and maintains structural integrity for years.
  • Cost Effective: Pressure-treated wood offers longevity at an affordable price, reducing the frequency and expense of repairs or replacements.
  • Easy Handling: Treated lumber is easy to cut, drill and assemble, simplifying your construction projects.
  • Versatile Applications: It’s suitable for decks, fences, outdoor furniture, garden structures and more.

How to Choose Pressure Treated Lumber

  • Evaluate Project Needs: Determine the dimensions and strength requirements based on your specific construction needs.
  • Consider Exposure: Choose treated lumber for ground contact or above-ground applications based on where you want to use it. 
  • Assess Wood Grade: Higher-grade lumber offers fewer knots and imperfections, ideal for visible surfaces or detailed work.

Common Uses of Pressure Treated Lumber

  • Deck Construction: Ideal for framing and structural support and ensures your deck remains stable and secure
  • Fencing and Posts: Reliable choice for fences, privacy screens and durable fence posts since it’s resistant to moisture
  • Outdoor Furniture: Perfect for creating benches, picnic tables and chairs that can withstand harsh weather
  • Raised Garden Beds: Nontoxic options available to safely construct garden beds that are resistant to moisture and rot
  • Walkways and Ramps: Great material for sturdy walkways, ramps and steps, enhancing safety around homes and landscapes


From sturdy decks and secure fencing to charming outdoor furniture, pressure treated lumber offers the strength and durability you need. Shop at Lowe’s for reliable treated-lumber solutions for your next outdoor project.