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SKU# 2420S

2-in x 4-in x 20-ft MicroPro Sienna Board Pressure Treated


Shop 2-in x 4-in x 20-ft MicroPro Sienna Board Pressure-Treated Lumber (PT) online at Chamberlain Timber Mart

This MicroPro Sienna lumber features:

  • Dimension and size: 2-in x 4-in x 20-ft
  • MicroPro Sienna Board
  • Pressure-Treated Board (PT)
  • In CSA standards for building code compliance.
  • Approved for use above ground, in ground contact and in freshwater.
  • Fungal decay and termite protection.
  • Improved corrosion resistance.
  • Approved for aluminum contact above ground.
MicroPro Sienna Treated Wood products are pressure treated with MicroPro Micronized Copper Azole (MCA) to protect the wood against fungal decay and termite attack. The main ingredient in the preservative system is copper, which has long been known as an effective wood preservative. MicroPro Sienna uses micronized copper coupled with micronized tebuconazole for long-term protection of wood exposed in exterior applications.

For more information about our MicroPro Sienna lumber or Pressure-Treated Lumber products, we encourage everyone to submit a quote online for orders, visit our location or contact us for any available quality pressure-treated dimensional lumber supplies with our location in Muskoka, serving the surrounding Greater Gravenhurst, and the Central Ontario in Canada.

Product Specifications

Dimension (Size)

(2x4) 2-in x 4-in x 20-ft


MicroPro Sienna Board

Wood Treatment

Pressure-Treated (PT)



Wood Profile


Kiln-dried (KD)


Wood Type

MicroPro Sienna lumber / Pressure-Treated Lumber

Hardwood or Softwood?


Can be painted


Can be primed


Wood Treated?





General Construction