Keystone Lintels

Keystone Lintels, have grown to their present position in the marketplace by establishing a reputation for reliable supply of quality products with a strong focus on customer service. Keystone Group’s lintel brands supply the construction industry with an extensive range of both standard and custom made steel lintels and brickwork support systems.


Catnic has pioneered the steel lintel for more than four generations, our products are manufactured with a unique duplex corrosion protection system, an integral plaster key and built-in damp proof course with continuous insulation making them the most unique lintel on the market.

IG Lintels

Founded in 1958, IG Lintels is a division of Europe’s largest manufacturer of steel lintels and masonry support systems. The major activity of IG Lintels is the design, development, manufacture and supply of standard and custom made steel lintels. IG’s extended range of building components includes Brick Slip Feature Lintels, Steel Support Systems, Windposts and Cavity Trays.

Birtley Lintels

Birtley brand has grown from its modest 1965 beginnings in County Durham to become one of the UK’s most respected names in construction design technology and product development.


FP McCann is the UK's largest manufacturer and supplier of precast concrete solutions. They are committed to high quality, cost-effective and sustainable solutions tailored to meet your customers budgets and expectations.

Supreme Concrete Lintels + Padstones

The company was founded in 1979 on the basis of innovatively designed products that are precision manufactured and supported by exceptional customer service. This led to rapid growth so that today Supreme Concrete offers a comprehensive range of precast building components, fencing products and lintels.