Lintel Evolution
60 Years of Innovation
1958
IG was founded and named
IG Engineering
1967
IG invented the original open back lintel which has now become the industry standard
1975
IG Engineering became
IG Lintels
1976
IG received BBA approval for the L1 lintel range
1984
IG introduced the first insulated lintel
2006
IG became part of the Keystone Group and the market leader for steel lintels
2010
IG, the 1st steel lintel company to be awarded ISO 14001 environmental certification
2011
IG invented the first one piece thermally efficient steel lintel to reduce thermal bridging
2013
IG wins Housebuilder Product Award & overall Housebuilder Product of the Year for Hi-therm Lintels
2014
IG wins Housebuilder Product Award 2014 for Hi-therm Lintels
2018
IG lauches Hi-therm+ lintel and wins Best Building fabric Product 2018
2023
IG wins Housebuilder Best Building Fabric Product award 2023 for Hi-therm+
