Decades of Excellence

Alumasc’s history documents a steady progression from its early engineering and manufacturing roots to a Group that now supports the built environment through its Building Envelope, Water Management and Housebuilding Product divisions.

Shaped by practical experience and long-standing technical expertise, this heritage continues to shape how we develop our roofing systems. Each solution is grounded in proven performance, guided by robust technical insight and aligned to the needs of the built environment.

Over the decades, we have expanded our roofing portfolio with established brands that address varied requirements across the building envelope. Our systems have been specified on a diverse range of project types, supported by close collaboration with our clients. Third party certification and quality management processes underpin how we develop, assess and refine every product we bring to market.

Today, we combine system design expertise, technical support and a broad range of roofing components. While our offer has evolved, our approach remains consistent: we draw on decades of experience to deliver effective roofing solutions.

Our Story

The Burton Latimer site (then Sterling Metals) was established to manufacture aluminium goods for wartime production.

1941
1945
1945

Alumasc Group was founded, initially producing domestic aluminium items such as saucepans, pots and pans during the post‑war transition.

1950

Manufacturing expanded to include aluminium beer casks for the brewing industry.

1950
1960

Alumasc Group was acquired by mining conglomerate Consolidated Gold Fields, prompting an expansion into aluminium building materials.

A management buyout led by Chairman John McCall returned the company to private ownership.

1984
1986

Alumasc was listed on the London Stock Exchange, accelerating its growth and diversification.

1991

The company entered the roofing sector through the acquisition of Euroroof, Alumasc’s flagship bituminous membrane brand.

1991
2004
2004

Alumasc acquired Roof‑Pro Limited, broadening its roofing offering into support systems. Later this year Alumasc also completed acquisition of Timloc Building Products.

Alumasc reclassified its stock market status from ‘Engineering Products’ to ‘Construction & Building Products’, reflecting its shift towards building envelope.

2006
2008
2008

The Group acquired green roof specialist Blackdown Horticultural Consultants Ltd, positioning Alumasc as an early leader in sustainable building solutions.

The Group acquired Rainclear Systems, expanding its Water Management division with a specialist supplier of metal rainwater systems.

2012
2021
2021

Alumasc received the London Stock Exchange’s Green Economy Mark, recognising that more than 50% of its revenues are generated from environmental solutions.

The Group acquired ARP Group Holdings Ltd, further expanding its Water Management division with an aluminium rainwater guttering and architectural products specialist.

2023
Today

Alumasc continues to build on its heritage, driving forward with sustainable innovation, technical excellence, and market-leading building solutions.