Irish building‑materials group CRH has sealed an all‑cash purchase of U.S. contractor Arcosa for $8.5 bn, the biggest deal in its history. The transaction values Arcosa at more than 13 times its forecast EBITDA and adds a 30% premium to CRH’s own share price. Although the deal yields only a 5% post‑tax return, it gives CRH a foothold in a fast‑growing market.

US construction has split into a sluggish residential side and a booming infrastructure segment fueled by federal spending and data‑centre expansion. Over half of Arcosa’s revenue derives from sand, gravel and crushed stone—materials that are costly to move and therefore command local pricing power. With utilities slated to invest $1.4 tn through 2030, the aggregates niche promises sizeable upside.

CRH already earns roughly 20% of its sales from infrastructure projects such as highways, telecom towers and water utilities, giving it the expertise to bundle materials with services. Pure‑play aggregates firms trade at about 30 times forward earnings, a premium to CRH’s 19‑times multiple, suggesting the acquisition could narrow significant valuation gaps and boost the group’s appeal to investors focused on U.S. growth.