For Flat, Curved
& Sloping Roofs

25 Year
Guarantee

Specialist Advice
& Support

Express National
Delivery

We've waterproofed
180m SqM of roofs!

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a sample

Why choose alwitra^®?

alwitra^® have been manufacturing the EVALON^® waterproofing membranes for over 45 years and they strengthen their product range further with a variety of compatible system components, allowing for a seamless finish on every project.

Worldwide

As used on landmark architecture throughout the world

almost 40 years experience with waterproofing systems in the UK

40 years experience with waterproofing systems in the UK

Tested & Certified

All of our membranes are thoroughly tested and certified

Environmental Product Declarations

First in the industry to introduce Environmental Product Declarations

Trusted

Trusted by architects, roofing contractors & developers

25 Year Guarantee

25 Year Guarantee on our waterproofing membranes

We waterproof several million square metres of roof every year

We waterproof several million square metres of roof every year

We have one of the industry's largest teams of expert consultants

We have one of the industry’s largest teams of expert consultants

We're proud to supply main contractors, developers, roofing contractors, architects, local authorities and more...

Archdiocese of Liverpool

Coventry City Council

Aecom

3D Reid

Balfour Beatty

InFrame Garden Rooms

Churchill

Fife Council

Angell Thompson

Alec French Architects

ISG

Aloft Roofing & Leadwork

English Heritage

Glasgow Housing Association

Coomber Associates

Arc

Jade-Aden

Ashtree Roofing

View all clients

Take a look at our case studies...

Chislehurst, Bromley

Chislehurst,
Bromley

View Case Study

Parkstone Grammar School

Parkstone Grammar School

View Case Study

Cairns Farm Estate, Edinburgh

Cairns Farm Estate,
Edinburgh

View Case Study

Ashwood Park, Basingstoke

Ashwood Park,
Basingstoke

View Case Study

Corrieshalloch Gorge Visitors Centre, Highlands

Corrieshalloch Gorge Visitors Centre,
Highlands

View Case Study

Ferry House, Salisbury

Ferry House,
Salisbury

View Case Study

Innovation Hub, Durley Chine Beach

Innovation Hub,
Durley Chine Beach

View Case Study

InFrame Garden Rooms, Hampton

InFrame Garden Rooms,
Hampton

View Case Study

St Richard's Hospice, Worcester

St Richard's Hospice,
Worcester

View Case Study

The Thames Hospice, Windsor

The Thames Hospice,
Windsor

View Case Study

Glasgow Housing Association Blocks

Glasgow Housing Association Blocks

View Case Study

Scientia Academy, Burton-on-Trent

Scientia Academy,
Burton-on-Trent

View Case Study

Crabbet Park Apartment Blocks, Crawley

Crabbet Park Apartment Blocks,
Crawley

EVALON^® V, Standing Seam & Lead Roll Profiles

View Case Study

Dubai Shopping Mall, Dubai

Dubai Shopping Mall,
Dubai

View Case Study

Castlegate Shopping Centre, Glasgow

Castlegate Shopping Centre,
Glasgow

View Case Study

Keech Children's Hospice, Luton

Keech Children's Hospice,
Luton

EVALON^® VSK, TAG Edge Trim

View Case Study

Hanham Mausoleum, Sturminster Newton

Hanham Mausoleum,
Sturminster Newton

EVALON^® VSK, Standing Seam & Lead Roll Profiles

View Case Study

Stonehenge Visitor Centre, Wiltshire

Stonehenge Visitor Centre,
Wiltshire

View Case Study

Want to become an alwitra^® accredited installer?

High-quality training
Become accredited
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Need expert advice or just have a question?

Our specialists are here to support you.
Just ask.

Contact Us 01202 785200

Here's what some of 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…

Read Full Review

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…

Read Full Review

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…

Read Full Review

Dave

As a small flat roofing business carrying out mostly domestic refurb work and small extensions EVALON^® VSK is our preferred single ply membrane…

Read Full Review

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…

Read Full Review

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…

Read Full Review

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…

Read Full Review

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…

Read Full Review

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…

Read Full Review

Martin

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

Richard

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

Dave

…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…

Read Full Review

Shaun

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

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sales@alwitra.co.uk

alwitra^® c/o ICB (Waterproofing) Limited
Unit 9-11
Fleets Industrial Estate
Willis Way
GB-Poole BH15 3SU

Company Number1900160

VAT Number393 0617 48

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