British Board of Agrément (BBA)

Keyfix

Innovative Non-combustible Solutions

Keystone Lintels Ltd

Keystone Lintels Limited is the UK and Ireland's leading manufacturer of steel lintels.

Kingspan Insulated Panels

Insulated Panel & Architectural Facade Systems

Kingspan Insulation

Insulation boards for low energy low carbon buildings

Klasse Group Ltd

Sheathing/Building Boards, HVAC Insulation & Glazing Components

Knauf Insulation Ltd

Build on Us

Knauf UK

Build on us.

Kompozit'All UK

Advanced Lining Solutions

Koster Aquatecnic Ltd

Reliable and Sustainable Waterproofing for Professionals

Leviat

Home of Ancon, Halfen, Helifix & Isedio

Licata Building Systems Ltd

Quality Render, Waterproofing & Concrete repair Systems for the Built Environment

Liquasil Ltd

Specialist Roof & Cladding Coatings Manufacturer

Liquid Roofing Systems Ltd

Manufacturing and distributing high performance liquid roofing solutions.

LKAB Minerals

Mineral Solutions for our World

Lorient

We design and manufacture market-leading, high-performance door sealing systems.

Manthorpe Building Products Ltd

Manthorpe gives you peace of mind, every time.

MARIS POLYMERS S.M.S.A

A leading polyurethane manufacturer specialized in waterproofing, protecting and flooring solutions

Marley Ltd

Find your peace of mind

Marmox (UK) Ltd

Insulation and waterproofing solutions

MEDITE SMARTPLY

Defining the standards of MDF and OSB panels

Metrotile UK Ltd

The Roof Has Evolved!

Metsec (voestalpine Metsec)

one step ahead

METZ Non-combustible Cavity Trays

Non Combustible A1 Malleable Zinc Alloy Cavity Tray. BBA Certified.

MOY

Roof Waterproofing System Specialists

MSA Safety (Latchways)

Global Leader in Engineered Fall Protection Solutions

Newton Waterproofing Systems

Protecting Buildings Since 1848

NorDan UK Ltd

NorDan is a Preferred Manufacturer of High-Performance Timber Windows and Doors

Novia Ltd

The Home of Construction Membranes

OBEX Protection Ltd

Creating Safer Buildings With Through-Wall & Façade Innovations

Onduline Building Products Ltd

Lightweight roofing solutions

OptiTec Ltd

Manufacturer & Supplier of High Quality Waterproofing Systems

Permavent Ltd

Innovative construction products

Polyfoam XPS Ltd

Polyfoam XPS Ltd is a leading manufacturer of closed cell, extruded polystyrene insulation.

Polyroof Products Ltd

The leading manufacturer of cold applied liquid roofing systems in the UK.

PRB Systems Ltd

Providing simple render systems for every solution, including Lime, Monocouche, Thincoat and EWI.

PREFA UK Ltd

Aluminium Roof and Façade Systems