Catchment Capital has agreed to acquire Isolatek International from SK Capital Partners, marking a new ownership chapter for the passive fireproofing specialist.
The transaction, expected to close in the second quarter of 2026 subject to customary conditions, reflects Catchment’s strategy of investing in middle-market industrial businesses positioned to benefit from long-term growth trends. Isolatek International is a developer and supplier of proprietary passive fireproofing materials serving data centers, advanced manufacturing, institutional and commercial construction markets. The company offers a portfolio of UL-certified intumescent and cementitious products designed for thermal performance, durability and ease of application, alongside technical support services.