Pressure-Treated Lumber

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Building Materials

This study analyzes US demand for pressure-treated lumber by application:

  • landscaping and outdoor
    • decking
    • fencing
    • outdoor structures (e.g., gazebo, pergolas, sheds)
    • porches and patios
    • other landscaping and outdoor applications (e.g., landscape walls, planter boxes playground equipment, railroad ties, shakes and shingles, utility and light poles)
  • structural and framing
    • wall framing
    • structural floors and foundations

Pressure-treated lumber consists of softwood lumber that is subjected to high-pressure and high-temperature conditions and chemical treatments to create wood that:

  • has a lower moisture content, making it less susceptible to freeze/thaw cracking
  • is more dense than untreated lumber, imparting enhanced structural strength and durability
  • is highly resistant to insect, fungal, and chemical attack
  • burns more slowly than untreated lumber (if treated against fire)

Historical data (2010, 2015, and 2020) and forecasts for 2025 and 2030 are presented for pressure-treated lumber supply and demand in board feet and total demand in dollars (including inflation). Demand in value terms is measured at the manufacturers’ level and excludes distributor and retailer markups.

This report also discusses trends in wood preservative consumption and leading companies in the pressure-treated lumber industry.

Also analyzed are pressure-treated lumber shipments, imports, and exports, and demand by major US region.

Among the products excluded from the scope of this study are marine pilings, railway ties, and utility poles and crossarms.

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