Our suppliers

We work closely with the following key suppliers to provide industry leading systems suited to each individual project


Kalzip is the world-leading standing seam roofing and wall cladding system. 100 million square metres have been installed worldwide. Kalzip enables us to create innovative, long-lasting, high performance and low maintenance building envelope solutions using aluminium profiled sheets and other inspiring metal finishes.


The global leader in the design, development and delivery of advanced building envelopes' products and solutions, enabling property developers, building owners, designers, contractors and insurers to create buildings that deliver world-class energy efficiency and design.


For over a hundred years IKO has produced innovative solutions for flat roofs, pitched roofs and the waterproofing industry. IKO's continued investment in UK manufacture ensures they provide us with roofing and waterproofing solutions that meet increasingly stringent performance and design requirements.

Tata Steel

Roofing systems, structures and accessories that provide huge flexibility in design and are developed to speed up construction.

United Roofing Products

Devon's leading manufacturer of metal roofing sheets. United Roofing Products pride themselves on being local, friendly and helpful.

Ash & Lacy

Leading manufacturers and distributors of metal building envelope systems and ancillary products, providing total solutions from a single source.

Hambleside Danelaw

Hambleside Danelaw manufacture GRP flashings, GRP profiled rooflights, wall lights and cladding, the Dryseal GRP roofing system and a range of roof products and ancillaries.


Icopal is the world leader in building protection from the roof right down to the basement.

Moy materials

Moy Materials is one of Ireland's and the UK's leading suppliers of high performance flat roof waterproofing systems, with innovative, long-lasting solutions and unparalleled technical support.


The UK's only independent manufacturer of glass mineral wool insulation.


A full range of smart and sustainable insulation products for the construction industry based on innovative stone wool technology.


Earthwool is the new mineral wool brand from Knauf Insulation, adding the benefits of ECOSE Technology - a revolutionary bio-based binder technology - to create a new kind of mineral wool insulation.


Since being formed in 1997, Cromar have been providing customers with exceptional service.


Waterproofing systems and specialist structural components for roofing and construction.


DYKA ranks among Europe's leading experts in pipework systems.


Sika is committed to providing proven and economic watertight solutions for even the most challenging requirements.

STQ Vantage

A specialist in height safety systems, for commercial and industrial buildings.


Design, manufacture and supply of specialist building components.