Tony Robson

Knauf Insulation Ltd. manufactures glass mineral wool, rock mineral wool, and extruded polystyrene insulation products. Its products are marketed under Earthwool, Rocksilk, Knauf Insulation, and Supafil brands which offers loft insulation rolls, cavity wall slabs, acousric rolls, roof slabs, floor slabs, external and multi purpose slabs. The company was founded by Karl N. Knauf and Alfons N. Knauf. in 1932 and is headquartered in St. Helens, the United Kingdom.

Icopal ApS engages in the flat roofing business. It offers flat and pitched roofs, as well as roof construction materials. The company was founded on December 11, 2006 and is headquartered in Herlev, Denmark.

BMI Group SARL is a holding company, which engages in the manufacture and supply of pitched roof products, including both roof tiles and roofing components. It also develops, produces, and sells chimney systems and trades in solar and insulation components. The company was founded on October 7, 2009 and is headquartered in Senningerberg, Luxembourg.

BMI Group Services GmbH provides pitched roofing solutions. Its products include concrete and clay roof tiles, roof accessories, chimney and energy systems, and jacketing. The firm also offers roof expertise services for insulation, solar energy, and ventilation. The company was founded in 1919 and is headquartered in Oberursel, Germany.