Insulation - Extruded Polystyrene (XPS): Market Size & Forecast 2026

The global extruded polystyrene (XPS) rigid insulation market sits at approximately USD 6.2 billion in 2025 (base year), held in a structurally tight balance between feedstock-anchored cost pressure, an accelerating regulatory inflection on blowing agents and recycled content, and resilient construction demand underpinned by tightening building-energy codes across all major jurisdictions. The 7-year CAGR through 2032 is 4.5 percent, implying a 2032 market value of roughly USD 8.4 billion. Styrene monomer prices in the USD 1,020-1,150/MT band for Q2 2026 represent the dominant cost signal; any move of USD 100/MT re-rates ex-works XPS cost by approximately 3-4 percent given the 42 percent feedstock weight in finished cost. Buyer Power Score of -2.0, supplier-favoring. > **Analyst Take.** The consensus 4.5 percent CAGR is defensible, but the composition is wrong: most external estimates ove

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