Company Story
1956 - SIG plc was founded as Sheffield Insulations Ltd.
1964 - The company changed its name to Sheffield Insulations Group Ltd.
1972 - SIG plc was listed on the London Stock Exchange.
1985 - The company acquired CP Holdings, a distributor of construction products.
1994 - SIG plc acquired the UK insulation business of Owens-Corning.
1997 - The company acquired the French insulation business of Isover Saint-Gobain.
2000 - SIG plc acquired the UK roofing business of Redland plc.
2005 - The company acquired the UK construction products business of BPB plc.
2010 - SIG plc acquired the UK insulation business of Celotex Ltd.
2015 - The company acquired the UK construction products business of Wienerberger AG.
2017 - SIG plc acquired the UK roofing business of IKO plc.