Keystone Group

The Keystone Group consists of Keystone Lintels, IG Lintels, IG Elements, Smartroof, IG Masonry Support Systems and Keylite Roof Windows.
Keystone is the largest steel lintel manufacturer in the UK and Ireland and Europe’s fastest growing roof window manufacturer.
With a strong focus on innovation, the company has grown to its present position in the marketplace by establishing a reputation for reliable supply of quality specialist products.
Our products
Keystone Lintels
Visit the Keystone Lintels website and view case studies of projects that have made use of our products.

IG Lintels
Visit the IG Lintels website and view case studies.

IG Elements
Visit the IG Elements website and watch videos on how to install our products.

Smartroof
Visit the Smartroof website and watch videos showing the installation of Smartroofs in construction projects.

IG Masonry Support
Visit the IG Masonry Support website, watch videos on the installation of the product and view case studies.

Contact us
Get in touch using the following email addresses:
Keystone Lintels - info@keystonelintelsuk.com
IG Lintels - info@igltd.co.uk
IG Masonry Support - support@igmss.co.uk
Smartroof - info@smartroof.co.uk
IG Elements - support@igelements.com
Or keep up to date with Keystone Group news on Twitter and LinkedIn.