For Flat, Curved & Sloping Roofs

For Flat, Curved
& Sloping Roofs

25 Year Guarantee

25 Year

Specialist Advice & Support

Specialist Advice
& Support

Express National Delivery

Express National

We've waterproofed 180m SqM of roofs!

We've waterproofed
180m SqM of roofs!

Request a sample

a sample

Roof Edge Profiles

Art-Line 1

Art-Line 1

Multi-piece rolled and additionally folded aluminium profile

  • Infinitely adjustable in all directions
  • Multi-piece rolled and additionally folded aluminium profile
  • Supplied with patented 4F-brackets as standard
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The TA-4F roof edge trim profiles come with patented 4F fixing brackets. 

  • Front face height series TA-4F: 150 - 200 mm
  • With patented 4F brackets
  • Height-adjustable, horizontally moveable, rotatable, angle-adjustable
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TW 125 Plus

TW 125 Plus

Two-part, corrosion-resistant extruded aluminium profile

  • Consists of 2.50m long TW 125 profiles with perforated fixing flange
  • The rigid perforated fixing flange is used to both prevent wind intrusion and absorb horizontal forces of the waterproofing 
  • It can cover facades and external thermal insulation composite systems for up to 120mm.
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T Plus

T Plus

2.5m long top caps for easy connection of various waterproofing membranes

  • Includes ready-to-install external and internal corners with 200mm long corner legs
  • Up to 3.0m long T-profiles in different front heights (­105, ­125, 150, ­175mm)
  • Rain resistant butt joints ensured by joining plates, permanently located at the centre of the join
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TAG Edge Trim

TAG Edge Trim

All TAG profiles come with a unique and patented 4F fascia mounting bracket which allows universal adjustment,

  • Allows free movement of all structural parts
  • Prevents splitting of the waterproofing caused by thermal expansion and contraction of differing materials
  • Ideal for new build and refurbishment projects
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TA Edge Trim

TA Edge Trim

TA Edge Trims can easily be installed over existing failing roof edges. 

  • Available in various profile finishes and colours, they are specifically designed to work with single-ply and felt membranes.
  • Fillet plates for in-line fastening as well as for protecting the roof waterproofing against wind uplift along the roof edge
  • Practically proven tension-free flashing against the roof waterproofing
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Want to become an alwitra® accredited installer?

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

Apply Today

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

Archdiocese of Liverpool
Coventry City Council
3D Reid
Balfour Beatty
Aloft Roofing & Leadwork
Fife Council
Angell Thompson
Alec French Architects
Ashtree Roofing
English Heritage
Glasgow Housing Association
Coomber Associates
Bay Roofing SW Ltd

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…

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


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


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


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.


Can’t beat VSK


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


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


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