For Flat, Curved & Sloping Roofs

For Flat, Curved
& Sloping Roofs

Up to 25 Year Guarantee

Up to 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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a sample

alwitra® Accessories

Evalon Walkway Tiles

EVALON® Walkway Tiles

Premium maintenance walkway tiles designed to create safe access routes on flat roofs.

  • Textured, anti-slip surface for improved safety
  • Supports easier roof inspections and maintenance
  • Enhanced protection against mechanical damage and perforation
  • UV-stable for long-term outdoor performance
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Eva-Metal

Eva-Metal

Metal sheets or preformed profiles coated in EVA material

  • Available as flat sheets, standard drip edge, or water check profiles
  • Designed to allow seamless, homogeneous welding
  • Fully compatible with EVALON® single-ply membranes
  • Supplied in a range of colour options
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Evalon Preformed Details

EVALON® Preformed Details

Unbacked EVALON® single ply membrane, preformed into corners, flanges & sleeves

  • Fast and easy to install
  • Ideal for corners and roof penetrations
  • Available in a range of sizes
  • Offered in multiple colour options
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Standing Seam & Lead Roll Profiles

Standing Seam & Lead Roll Profiles

Lead-imitation PVC extruded hollow profiles

  • Cost-effective alternative to traditional detailing
  • Flexible to suit various roof contours
  • Available in standing seam or lead roll effect
  • Provides a clean, attractive finish
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Paving Slab Supports

Paving Slab Supports

Paving slab supports for use on terraces and balconies

  • Allows for movement to accommodate thermal expansion
  • Helps prevent cracking
  • Supports free and efficient drainage
  • Additional shims available for greater levelling adjustment
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Want to become an alwitra® accredited installer?

  • High-quality training
  • Become accredited
  • Receive new business leads from alwitra®

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Our membranes are used by architects, contractors & developers. View all

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

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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…

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EVALON® VSK

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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EVALON® VSK

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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EVALON® VSK

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!!!!!!

EVALON® VSK

Richard

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

EVALON® VSK

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…

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EVALON® VSK

Shaun

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

EVALON® VSK

Lee Orchard

EVALON® VSK – such a quality and versatile membrane.

EVALON® VSK

Lee Orchard

In my mind the best single-ply.

EVALON® VSK

Peter

Can’t beat VSK

EVALON® 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++++

EVALON® VSK

Kevin

More Reviews

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