Saturday, November 1, 2025

Derbyshire engineering business acquires insulation firm

Derbyshire-headquartered engineering business Cullum Detuners has acquired Jade Insulation, which has premises in Rotherham and Feltham.

Jade Insulation specialises in insulation and trace heating solutions for all industrial markets, emphasising water utility and waste to power (biomass).

Mark Jansen, Cullum Group Managing Director, said: “This acquisition supports our long-
term goal of wider market diversification and business simplification.

“Jade complements our Group product offering well, and we believe we are well placed to support the incumbent leadership team’s growth goals and aspirations.

“I would like to thank Colin Tarry and Peter White, for their support during what was a smooth and collaborative sale process and wish them both the best for the future.”

Jade will remain a dedicated trading entity, with no plans to integrate into the wider Cullum Group.












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