Wetherby will become part of the ROCKWOOL Wall Systems organisation under the new nameWetherby Wall Systems.

ROCKWOOL Group CEO Jes Munk Hansen said:  “This acquisition underlines ROCKWOOL’s commitment to further expanding our presence in the UK market and to continuing to transform the construction sector towards sustainable and non-combustible façade solutions.

“The share of stone wool insulation in the Wetherby business has been growing steadily, and we will be completing this transition to a fully stone wool-based portfolio, as we have done in other markets in the past.”

Wetherby Managing Director Bob Deane added: “There is a long-standing relationship between Wetherby and ROCKWOOL, and the match is strong on all significant drivers, from business model and technology to company culture and values.

“I am convinced that inside the ROCKWOOL organisation, Wetherby will meet its full potential for wall system solutions.”

Latest results for Wetherby show for the year to October 31 2023 the firm had a turnover of £47.6m generating a pre-tax profit of £9.8m while employing 80 staff.