For Flat, Curved & Sloping Roofs

For Flat, Curved
& Sloping Roofs

25 Year Guarantee

25 Year
Guarantee

Specialist Advice & Support

Specialist Advice
& Support

Express National Delivery

Express National
Delivery

We've waterproofed 180m SqM of roofs!

We've waterproofed
180m SqM of roofs!

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Request
a sample

Our Clients

We're proud to supply to the UK's leading roofing contractors, main contractors, architects, surveyors who repeatedly choose alwitra® for their waterproofing needs.

The alwitra® range has waterproofed a vast array of roofs in the UK from some of the most iconic residential developments, hotels, universities, schools, hospitals and shopping centres as well as the more utilitarian offices, carparks and industrial buildings. 

Filter Clients

Archdiocese of Liverpool

Archdiocese of Liverpool

The Roman Catholic Archdiocese of Liverpool is an archdiocese of the Catholic Church that covers the Isle of Man and part of North West England. The episcopal see is Liverpool Metropolitan Cathedral.…

Coventry City Council

Coventry City Council

Coventry City Council is the local government body responsible for the governance of the City of Coventry in England, which has been a metropolitan district since 1974.

Aecom

Aecom

AECOM believe infrastructure creates opportunity for everyone – uplifting communities, improving access and sustaining our planet. AECOM are committed to managing their business with…

3D Reid

3D Reid

3DReid is an award-winning architecture practice with offices in London, Birmingham, Manchester, Edinburgh and Glasgow. 3DReid aim to bring value to all of their projects though clear…

Balfour Beatty

Balfour Beatty

Balfour Beatty are a leading infrastructure group operating internationally - engineers, builders, project and facilities managers, analysts, consultants and more. For over 110 years…

Aloft Roofing & Leadwork

Aloft Roofing & Leadwork

With 15 years experience, Aloft Roofing & Lead work is a reputable roofing firm based in Westbury. Their team of roofers offers a wide range of roofing…

Churchill

Churchill

Churchill Retirement Living provides retirement solutions in beautiful UK locations and believe that home is at the heart of an enjoyable retirement. Churchill Retirement Living is built on integrity…

Fife Council

Fife Council

Fife Council is the local authority for the Fife area of Scotland and is the third largest Scottish council, with 75 elected council members.

Angell Thompson

Angell Thompson

The team at Angell Thompson are consulting Chartered Structural Engineers and Chartered Building Surveyors based in Surrey, Sussex, Kent & London. They work with residential property, shops,…

Alec French Architects

Alec French Architects

Alec French Architects aim to be the practice of choice for client focused, design led projects in Bristol and the region. Alec French have been involved in significant projects throughout the…

ISG

ISG

For nearly three decades, ISG has been providing construction solutions to some of the world's most successful and enduring businesses, cities and institutions. ISG's worldwide specialists in…

Ashtree Roofing

Ashtree Roofing

Ashtree Roofing is a professional, experienced and dedicated roofing contractors that strive for success. Located in Wakefield, Ashtree Roofing specialise in a wide range of…

English Heritage

English Heritage

English Heritage cares for over 400 historic buildings, monuments and sites - from world-famous prehistoric sites to grand medieval castles, from Roman forts on the edges of the empire to a Cold War…

Glasgow Housing Association

Glasgow Housing Association

The Glasgow Housing Association is Scotland’s biggest social landlord with more than 40,000 homes across Glasgow. But building great homes and transforming neighbourhoods is only part of…

Coomber Associates

Coomber Associates

Coomber Associates are an independent firm of Chartered Surveyors, Architectural Designers and Property Consultants. They pride themselves on having the knowledge, experience and qualifications to…

Arc

Arc

ARC Architecture Ltd is an established RIBA Chartered Practice based in Dorset. They predominantly cover the South-West of England specifically Poole, Bournemouth, Christchurch, Southampton, and…

Jade-Aden

Jade-Aden

Jade Aden have unrivalled knowledge, expertise and understanding of the construction sector and offer an incomparable service. Jade Aden Services Limited was established in 1992 and…

Bay Roofing SW Ltd

Bay Roofing SW Ltd

Bay Roofing Ltd, have an honest approach to roofing and provide absolute confidence in project management. Based in South Devon, Bay Roofing carry out roofing work within the South West. They…

Fortis Group

Fortis Group

Fortis Group is one of the UK’s fastest growing development companies, firmly established at the forefront of the industry. Fortis Group prides itself on setting the standards for student and…

Leicester City Council

Leicester City Council

Leicester City Council is a unitary authority responsible for local government in the city of Leicester, England. It consists of 54 councillors, representing 22 wards in the city, overseen by a…

Elcock Associates

Elcock Associates

Elcock Associates is an independent practice of Architectural Designers, Chartered Building & Quantity Surveying and Construction Consultancy that work alongside clients to provide a…

Associated Architects

Associated Architects

Associated Architects are a multi award-winning RIBA Chartered Practice, with offices in Birmingham & Leeds, specialising in educational, residential, commercial and civic projects. Associated…

Kier

Kier

Kier’s purpose is to sustainably deliver infrastructure which is vital to the UK. They are a leading provider of infrastructure services, construction and property developments and committed to…

Burrows Group

Burrows Group

Burrows Group are specialists at insulation, roofing and cladding. Burrows Group delivers everything from large-scale capital works programmes in partnership with councils and registered social…

Marriott

Marriott

Marriott offer the most powerful portfolio in the industry, with 30 brands and 7,000+ properties across 131 countries and territories give people more ways to connect, experience and expand their…

Solihull Metropolitan Borough

Solihull Metropolitan Borough

The Metropolitan Borough of Solihull is a metropolitan borough of the West Midlands, in west-central England. It is named after its largest town, Solihull, from which Solihull Metropolitan Borough…

Haldons Construction

Haldons Construction

Haldons is an independently owned, multi-disciplinary construction consultancy with an excellent reputation of providing a broad range of high quality services across all Sectors in the South West…

David James

David James

David James Architects are an award winning RIBA Chartered architects in Poole, Dorset. David James Architects have an established client base within the South of England, including national and…

Midas

Midas

The Midas Group is one of the most respected privately owned construction companies in the UK. Since the 1970s, the Midas Group has been trusted to deliver a diverse range of projects, including…

Cardinal Flat Roofing

Cardinal Flat Roofing

Cardinal Flat Roofing are trusted specialists in reliable, high quality, attractive and cost effective flat roofing installations. Established in the area since 2009, Cardinal Flat…

Morrisons

Morrisons

Morrisons started from a Bradford market stall and have become the UK’s 4th largest supermarket chain. Morrisons are proud to be a Yorkshire food retailer serving customers across the…

Wakefield Council

Wakefield Council

Wakefield Council, also known as Wakefield Metropolitan District Council is the local authority of the City of Wakefield in West Yorkshire, England.

Ridge

Ridge

Ridge is a multidiscipline Property and Construction Consultancy. Ridge has strong roots, that weave back through decades of success stories, that have created solid foundations for the company's…

Dualchas Architects

Dualchas Architects

For 21 years Dualchas has been spearheading Highland’s renaissance architecture to extensive acclaim. Co-founders and identical twins, Alasdair and Neil Stephen, founded Dualchas from a desire…

Seddon

Seddon

Seddon has grown from a small family run business to the UK’s largest privately owned and family managed contracting business, employing over 650 people. With extensive experience and knowledge…

Collier Roofing & Guttering

Collier Roofing & Guttering

Collier Roofing & Guttering provide a specialist roofing service for domestic & commercial clients. Owned and run by highly experienced roofing specialist Steven Collier, the…

National Trust

National Trust

The National Trust are a registered charity, completely independent of Government and rely on income from membership fees, donations and legacies and revenue raised from their commercial…

Worcestershire County Council

Worcestershire County Council

Worcester City Council provides essential services for over 95,000 residents. Working with the local community we aim to create a prosperous city and to improve the quality of life for everyone.…

Keppie Design

Keppie Design

Keppie Design have the energy to embrace change and the experience to lead the transformation. Keppie Design is deadly serious about what they do, but they don’t take themselves too seriously.…

Taylor Wimpey

Taylor Wimpey

Taylor Wimpney build more than 15,000 high quality new homes a year across the UK. Taylor Wimpey plc is one of the largest British based housebuilding companies. In 2020 they invested…

DRG Structures Ltd

DRG Structural Solutions Ltd

DRG Structural Solutions offer bespoke packages for all roofing projects. DRG's Structural Solutions' in-house design expertise provides their clients with the flexibility to choose the…

NHS

NHS

The NHS provide Government-funded medical and health care services to everyone living in the UK without being asked to pay the full cost of the service.  The NHS was set up so…

KKE Architects

KKE Architects

KKE Architects is an architecture and landscape design practice, established in 2005 and named after its founding directors. The practice is a specialist in healthcare design – especially the…

Travis Perkins

Travis Perkins

Travis Perkins is one of the largest suppliers of building materials to the UK's building and construction industry.  With a network of 560 branches and 300 tool-hire outlets, Travis Perkins…

M&J Group

M&J Group

Established in 1972, M&J Group are now one of the largest specialist construction companies in the UK. M&J Group have developed an extensive knowledge of the flat and pitched…

Nottingham University

Nottingham University

The University of Nottingham was founded on the vision and philanthropic spirit of Jesse Boot who, in 1928, donated the land that is now University Park. The vision of a university devoted to…

OB Architecture

OB Architecture

OB Architecture is an award winning RIBA Chartered Architecture studio. They specialise in the design and construction of contemporary homes across England and Wales. Alongside residential…

Macleod Roofing Ltd

Macleod Roofing Ltd

Macleod Roofing Ltd was established in 1990 by Alexander Macleod and for many years the business traded from Golspie in Sutherland with a site foreman based in Inverness. The continuing growth of the…

Premier Inn

Premier Inn

Premier Inn is a British hotel chain and the UK's largest hotel brand, with more than 72,000 rooms and 800 hotels. It operates hotels in a variety of locations including city centres, suburbs and…

PH+

PH+

PH+ are an award-winning architectural company based in London and Sydney.  They create consistently high quality projects that push spaces to work harder and more effectively to realise…

MHT Flat Roofing

MHT Flat Roofing

High-quality, innovative flat roofing solutions with MHT Flat Roofing. MHT Flat Roofing specialise in installing and maintaining most types of flat roofs and roofline in Hampshire and surrounding…

Royal Academy

Royal Academy

For over 250 years, the RA has existed to champion art and artists. Run by the Royal Academicians, artists and architects elected by their peers in recognition of their exceptional work the RA is…

Quatro Design Architects

Quatro Design Architects

Quattro is a leading Sustainable Architectural Practice. Their designs connect, excite and inspire, regularly exceeding expectation.  Established over 35 years, Quattro’s Sustainable…

Rain-Scape Ltd

Rainscape Ltd

Rainscape is an independent, Berkshire-based company offering specialised roofing services, and flood defence systems, across the South of England. Rainscape have an experienced and qualified labour…

Wimbledon

Wimbledon

Wimbledon is the oldest tennis tournament in the world and is widely regarded as the most prestigious. The Wimbledon tennis tournament is one of the oldest sporting events in the world. This…

Stride Treglown

Stride Treglown

Stride Treglown is an employee-owned architectural practice and a Certified B Corporation® At Stride Treglown, over 300 people work in a collective of studios formed of architects, designers…

Rosebank Roofing

Rosebank Roofing

Rosebank Roofing are a company who offer an unrivalled service in the roofing market. Rosebank Roofing have been providing a reliable, quality service to homeowners, housebuilders and main…

Valley Kids

Valley Kids

Valley Kids has a 43 year long successful track record of innovative community development initiatives. Valley Kids have changed the lives of thousands of individuals across the South Wales…

Western Design Architects

Western Design Architects

Western Design Architects is an award-winning business specialising in conversions, traditional architecture & contemporary new builds in the South West. Established in 1986 by…

RLW Roofing

RLW Roofing

RLW roofing pride themselves in customer satisfaction. They understand that a client doesn't care how much you know until they know how much you care. Just as an informed investor is key to…

Verity & Beverly Architects

Verity & Beverly Architects

Verity & Beverley are a creative and innovative practice based in Gloucestershire.  Verity & Beverly is experienced in the conservation, restoration and refurbishment of listed…

Stirling Roofing Company Ltd

Stirling Roofing Company Ltd

Stirling Roofing Company Ltd is a trusted roofing company in Stirling. They are one one of the leading roofing companies in the area, providing a comprehensive range of roofing services for…

TG Escapes

TG Escapes

TG Escapes are an award winning and accredited company that provide complete roofing services. A privately owned company founded in 2003, TG Escapes design and build modular eco-buildings for…

The Flat Roofing Company Ltd

The Flat Roofing Company Ltd

The Flat Roof Company Ltd provide quality roofing services for domestic, commercial and industrial clients. The Flat Roof Company is a fully accredited and environmentally conscious business,…

Here's what our clients have to say...

We have been alwitra® contractors for many years and have always been impressed with the results and reliability of the product. The customers…

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Michael

I, James Hopkins Director of JH Specialist Roofing install single ply membranes on a daily basis, we as a company have tried numerous types of…

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James

We have used VSK extensively over the last 5 years, we have found it to be a great product and really good for complex detail work. We find using…

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Dave

As a small flat roofing business carrying out mostly domestic refurb work and small extensions Evalon vsk is our preferred single ply membrane…

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Charlie

We have been an approved contractor for many years, the level of customer service and the quality of the products provided by ICB (Waterproofing) is…

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Carlo

We have worked with ICB on several occasions and we would thoroughly recommend them for their high level of professionalism and efficiency. The team…

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OB Architecture

ICB provides an excellent service with all the professional back-up required at the development stage through to completion. The manner in which you…

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Dave

I am pleased to recommend ICB as Company, through my personal experience and that of my Business, for the following reasons: They are an easy Company…

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John

We believe, as one of your approved contractors, over the years we have had a great working relationship with yourselves. When working on projects…

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Martin

Best system on the market –VSK all the way!!!!!!

Richard

…that’s the beauty of this membrane, (you) can complete field sheet and upstand in one go, nice and tight and (a) crisp finish in the…

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Shaun

alwitra® is a lovely membrane when you have some detailing and gutters as you can go all the way through in a oner…

Dave

alwitra® Evalon VSK! Surely the best membrane ever invented.

Justin

This product has to be the most versatile single ply system we have used. Unbeatable finish.

Lee Orchard

Evalon VSK – such a quality and versatile membrane.

Lee Orchard

In my mind the best single ply.

Peter

Can’t beat VSK

Lee

We find all the staff at ICB, friendly, helpful & knowledgeable.

Steve

Evalon VSK! Surely the best single-ply waterproofing membrane ever produced! A++++

Kevin

Need expert advice or just have a question?

Our specialists are here to support you.
Just ask.

Contact Us 01202 785200

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