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

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

Housebuilder Product Award & overall Housebuilder Product of the Year, Hi-therm Lintels

2014

Housebuilder Product Award, Hi-therm Lintels

2018

Hi-therm+ lintel is launched and wins Best Building fabric Product 2018