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Curtis Lumber Logo

Curtis Lumber & Plywood

Wholesale Lumber & Plywood Distributor

(703) 972-1947
  • Treated Products
    • CCA
    • Copper Azole
    • Exterior Fire-X™
    • Micro-Guard™
    • Pyro-Guard®
  • Plywood
    • ACX
    • Marine Grade
    • MDO
    • Southern Yellow Pine
  • Green Building Info
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CCA Rot & Decay Resistant Treated Plywood

cca plywood in a factoryChromated Copper Arsenate (CCA) treated plywood protects against both decay and insect damage. CCA treated wood is instantly recognizable for the greenish tint it imparts to plywood.

Extremely effective and durable, CCA treated plywood is used wherever wood structures contact soil or concrete and in other exterior projects where decay resistance is required.

How CCA Works

When wood is pressure-impregnated with CCA, chromium acts as a chemical fixing agent assisting the other chemicals to adhere to the wood’s cells. Copper protects the wood against decay, fungi, and bacteria. Arsenic is insect-killing agent while also improving weather-resistance and long-term paint-adherence.

CCA pressure-impregnated preservative treated lumber and plywood is designed for long-term performance in various commercial, industrial and limited residential applications where protection from fungal decay and insects is required.

Our CCA Treated Plywood is Available in the Following Grades:

  • ¼, ⅜, 15/32, 23/32″ ACX
  • 15/32, 19/32, 23/32″ Rated Sheathing
  • 19/32 & 23/32″ T&G Underlayment
  • 19/32″ T1-11 4″ & 8″ O.C.

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CCA Resources

  • CCA Certification
  • CCA Finishing Guidelines
  • CCA Specifications
  • CCA Storage, Handling, Installation & Disposal Recommendations
  • CCA Safety Data Sheet
  • CCA Strength Properties

Treated Products Resources

  • Combustible Materials In Noncombustible Buildings
  • Cutting, Ripping & Milling For Fire Retardant Treated Wood
  • Use In Plenums For Fire Retardant Treated Wood
  • Fire Retardant Treated Wood Selector Chart
  • Kiln Dried After Treatment
  • Overhang Fire Protection Guide
  • Permanent Wood Foundation Specifications
  • Eliminating Parapets In Townhouses
  • UL V314 Insulation Evaluation
  • Hoover Treated Wood Products Simple Savings Sheet
  • V314 Technical Note

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Curtis Lumber Logo White
7351 Highland St. Springfield, VA 22150 (703) 972-1947

Treated Products

  • CCA
  • Copper Azole
  • Micro-Guard™
  • Exterior Fire-X™
  • Pyro-Guard®

Plywood

  • ACX
  • Marine Grade
  • Medium Density
  • Southern Yellow Pine

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