Suppliers and Services

Kemper System

KEMPEROL® – liquid resin waterproofing systems for the long-term protection of roofs, buildings and critical structures.

Kentec Electronics

Founded over 30 years ago, Kentec Electronics Ltd. has evolved to become one of the World’s leading life safety control system manufacturers.

Kestrel Building Products

Kestrel was established in 1990 to provide a full range of U-PVC, PVC-UE roofline, cladding and window finishing system products within the building and construction sectors selling only through a network of stockists and distributors.

Ketley Brick

Founded over 100 years ago Ketley Brick has developed a reputation for excellence and a passion to create the finest natural clay building materials.


Keyfix, part of the Keystone Group of companies, specialises in the development of non-combustible masonry accessories. Synergising 30+ years of Keystone experience in structural steel including Lintels and Masonry support, Keyfix provides the complete non-combustible solution for external masonry facades.

Keylite Roof Windows

Keylite Roof Windows Ltd offers a full range of roof windows, blinds, timber loft ladders, flashings, electric operation kits and accessories.

Kiwa BDA

Kiwa BDA is an independent third party Testing, Inspection and Certification organisation.

Kiwa Watertec

Kiwa Watertec’s expertise is in water products testing and certification.

Knauf Insulation

Knauf Insulation is the UK’s leading manufacturer of mineral wool insulation products, producing both glass and rock mineral wool with excellent thermal, acoustic and fire performance characteristics.