The low-leaching wood preservative chemicals market is projected to grow from USD 740.5 million in 2026 to USD 1,769.2 million by 2036, at a CAGR of 9.1%. Copper Organic Wood Preservatives (CA, CCA, ACQ) will dominate with a 32.0% market share, while pressure-treated wood (vacuum/vessel) will lead the treatment method segment with a 36.0% share.