Our Brands

Keystone, IG and Acier Lintels offer an extensive range of galvanised and stainless steel lintels. Together, we are the UK and Ireland’s leading manufacturer and distributor of standard & custom-made lintels including brickwork support systems.

Keylite Roof Windows offer a full range of roof windows, flashings, electric operation kits, blinds and accessories. The Keylite product range is supplied with an excellent customer service, which is renowned in the construction industry.

  • Keystone Lintels Limited

    Keystone Lintels Limited was founded in 1989, and now operates from Swadlincote (South Derbyshire) and Cookstown (N.Ireland). The Company manufactures steel lintels and brickwork support systems for distribution throughout the UK and Ireland.
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  • IG Lintels Limited

    IG Lintels Limited, established in 1958, was acquired by Keystone in 2006 and is based in Cwmbran (South Wales). The Company has a strong brand reputation within the construction industry. IG Lintels have been supplied to many prestigous building contracts.
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  • Acier Lintels Limited

    Acier Lintels Limited was acquired by Keystone in 2006 and is based in Dublin (Ireland). The Company supplies steel lintels and brickwork support systems throughout Ireland.
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  • Keylite Roof Windows Limited

    Keylite Roof Windows Limited was founded in 2001, and operates from Swadlincote (South Derbyshire) and Cookstown (N.Ireland). The Company offer a full range of roof windows, flashings, electric operation kits, blinds and accessories.
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