Product Description
CCA-Treated Wood Line Posts
Species: Southern Yellow Pine
Premium CCA pressure-treated southern yellow pine line posts for traditional vineyard trellis systems. AWPA C16 compliant wood line posts offer natural aesthetics, universal soil compatibility, and proven 20-30 year performance in vineyard row support applications. Available in 3-4" and 4-5" diameters x 8' lengths with blunt ends standard. Pointed ends available upon request for specialized vineyard installations.
Technical Specifications
- Treatment: CCA (Chromated Copper Arsenate) pressure treatment to .40 retention
- Standard Dimensions:
- Line posts: 3-4" diameter x 8', 4-5" diameter x 8'
- End Configuration: Blunt ends standard; pointed ends available upon request
- Treatment Penetration: Full sapwood penetration per AWPA C16 standards
- Moisture Content: Kiln-dried after treatment to reduce checking and warping
Engineering Features
- Natural Strength: High density Southern Yellow Pine provides excellent load-bearing capacity
- Traditional Aesthetics: Natural wood appearance preferred for heritage vineyard installations
- Proven Longevity: Properly treated posts provide 20-30 year service life
- Attachment Versatility: Accepts staples, nails, screws, and wire clips without special hardware
- Lightning Safety: Non-conductive material eliminates electrical concerns
Installation & Performance
- Installation Method: Requires hydraulic post pounder or mechanical driver
- Maximum Post Spacing: 16-20' depending on diameter and trellis load
- Soil Compatibility: Universal - performs well in all soil types
- Wire Attachment: Requires staples, clips, or mechanical fasteners
- Maintenance: Periodic inspection recommended; damaged posts easily replaced
- Environmental Considerations: CCA treatment must comply with AWPA C16 handling standards
Performance Comparison
- Advantages: Natural aesthetics, proven reliability, universal soil compatibility, non-conductive
- Considerations: Requires mechanical installation, slower setup, limited mechanical harvester compatibility
- Applications: Heritage vineyards, organic operations (where permitted), areas requiring traditional appearance
Comparative Analysis Summary
| Post Type | Soil Compatibility | Service Life | Installation | Aesthetics | Cost Position |
|---|---|---|---|---|---|
| C1 Maxi Standard | Non-acidic (pH >6.5) | 10-25 years | Hand/Pneumatic | Industrial | Economy |
| C1 Maxi HDG | Universal | 35-40 years | Pneumatic | Industrial | Premium |
| C1 Maxi Corten | Non-acidic (pH >6.5) | 10-30 years | Hand/Pneumatic | Weathered | Mid-Premium |
| C1 Maxi Zincor | Universal | 30+ years | Pneumatic | Weathered | Premium |
| MG48M | Most soils | 15-25 years | Hand/Pneumatic | Industrial | Standard |
| Wood CCA | Universal | 20-30 years | Mechanical | Traditional | Variable |
All steel posts provide mechanical harvester compatibility and lightning protection. Wood posts offer traditional aesthetics and proven field performance. Selection should consider soil pH, aesthetic requirements, installation resources, and long-term maintenance strategies.
