GRP Architectural Mouldings

GRP – the architect's and builder's choice

If you need a tough, long lasting building material that's also cost-effective, try the architect's choice – Glass Reinforced Plastic (GRP).

Because GRP can be moulded into almost any shape, and can be finished to look just like traditional stone, concrete or ceramic, it has become popular with builders and architects alike – whether restoring a Victorian residence or constructing a state-of-the-art shopping centre.

Versatile, lightweight GRP mouldings

From design to manufacture, we can mould GRP into almost any shape – including turrets, cornices and fascias, chimneys and many architectural features.

Our recent projects have included GRP mouldings for sports stadiums, shopping malls, and new office complexes – all designed to our clients' exact specifications.

Avoid expensive repairs and rebuilds with GRP building features

Using GRP will help you avoid expensive repairs and upkeep in the long term.

That's because it has a high strength-to-weight ratio, is weather and corrosion resistant and is virtually maintenance free.

We'll help you design the right architectural mouldings for your needs and then fabricate them, finishing them to your specification or to match the material being imitated. Then we will perform the installation too.

Best of all, GRP can be moulded into complex shapes quickly – saving you time when compared to sourcing traditional materials.

Contact us today

Call 01206 798 798 now to find out more about GRP – and one of the most cost-effective building materials available can be put to work for you.

Just a few of our GRP fibreglass architectural moulding projects...

Case Study: replication of existing architectural features in GRP fibreglass Architectural feature replication

During the Whitechapel conversion, we were able to replace this turret and its failing gutters with GRP replicas to make sure this architectural feature would last for decades with virtually no maintenance – while getting the weathered copper look just right.

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Fibreglass Moulded stone cornicing replicationGRP fibreglass moulded stone cornicing

When budgets became tight during the Barnet Hospital build in London, the architects turned to Sui Generis to design and fabricate cost-effective GRP replicas of stone cornicing – bringing the project back within budget.

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Architectural moulded funnelsArchitectural moulded funnels

A London shopping centre needed non-structural architectural funnels and there was only one material that could provide the weather resistance and strength they required at the right price – GRP.

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Moulded chimneys replicationGRP moulded chimney replication

When a client wanted to replace the chimneys on four converted Victorian buildings with something lightweight and maintenance-free – while maintaining the same look and and feel – they turned to Sui Generis for help. We're pleased to say our GRP chimneys now adorn the London skyline.

Read Case Study

GRP wave canopy for  Royal Marsden HospitalGRP wave canopy for
Royal Marsden Hospital

5 good reasons to choose Sui Generis GRP fibreglass mouldings...

  • Economy – cheaper than traditional materials
  • Quality – 20+ year lifespan
  • Durability – weather and corrosion resistant
  • Flexibility – designed to almost any shape
  • Blends in – looks just like the real thing

Your GRP fibreglass mouldings guide

GRP (Glass Reinforced Plastic) is the building material of the 21st century – and its architectural uses are almost unlimited.

It's lightweight, hard-wearing, weather and corrosion resistant – and can be moulded into almost any shape. This makes it ideal as a replacement for architectural structures from turrets and gutters and towers to decorative mouldings.

Read more.

GRP architectural mouldings are also cost-effective when compared with traditional building materials such as stone, concrete or ceramics – both to manufacture and to install.

And because they're virtually unaffected by weathering or corrosion, you will save money on building maintenance costs.

So whether you're repairing part of an old building or creating a new one, make sure you use GRP-moulded structures to ensure that your property will stand the test of time – while reducing your costs.

What are the advantages of GRP mouldings?

GRP fibreglass mouldings from Sui Generis are manufactured in-house and can be moulded into both simple and complex structural shapes for your building. These are just some of their advantages:

  • Weather resistant
  • Lightweight
  • Corrosion resistant
  • Easy to clean
  • Impact resistant
  • U.V. stable
  • Low maintenance
  • Indefinite life expectancy.

Why use a GRP moulding instead of the real thing?

Stone and brick can wear away over time, plant life can cause mortar to fail and ceramics can chip – but GRP eliminates all these risks and has an indefinite lifespan.

GRP mouldings also beat traditional building materials on price – both in terms of the raw materials themselves and their installation.

Add in reduced maintenance costs over time and an indefinite lifespan and it's easy to see why both builders and architects consider GRP a viable alternative to traditional building materials.

Safe, durable and cost-effective – GRP mouldings will give you long lasting peace of mind.

Are there other benefits to GRP fibreglass mouldings?

Yes. These are just some of the properties of GRP:

  • Corrosion Proof
  • Chemical resistant
  • Leak free
  • Impact resistant
  • Easy installation.

Do your GRP mouldings conform to regulations?

Yes. Our fibreglass mouldings are manufactured to the highest standards using quality fibreglass materials right here in the UK – in any shape you need.

For more information about the impact resiliency, strength and fire resistance, just ask – we'll tell you why GRP is the best material for your needs.

Can you give me advice about my building or structure?

Of course. With experience fabricating a wide range of architectural features, we can give you expert advice on where and how a GRP moulding can help you.

Just give us a call on 01206 798 798 today and we'll arrange a free site inspection or a demonstration of our GRP fibreglass products.


  • "Sui Generis fabricated the seating beautifully...They provided us with an in-depth overview to the products on offer and case studies to show how it would work in situ. They understood what was needed and refined the seating to match our requirements. The fibreglass seating was delivered on promised production schedule and the colours were just as described with a perfect finish."

    R Peckham, Sui Generis fibreglass bespoke seating manufacture

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  • "Communication was good throughout the design and pre-installation stages."

    M Gaedke, Sui Generis GRP Wave Canopy

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  • "Your quotation, as always, is very competitive (but it's your professionalism and superb build quality that sells it to us!)"

    P Hawtin, Sui Generis bespoke Red Cabinet

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  • "On a personal note, I think suigeneris has some of the nicest and most polite staff I have ever dealt with in all my years of business.

    You have all been absolutely lovely and a credit to your organisation."

    D Moy, Sui Generis bespoke GRP Bund

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Sui Generis: The market leader in fibreglass mouldings

Sui Generis quality guaranteeQuality guarantee

Our highly competitive work gives you the best quality results every time – every one of our operatives is highly skilled, well trained and takes exceptional pride in what they do. With Sui Generis, you can rely on effective, long-lasting work.

About Sui Generis.

Sui Generis fully CompliantCompliance and accreditations

When you choose Sui Generis to undertake work on your behalf, it always complies with and exceeds the standards required by relevant legislation. We always advise you what the regulations require before we start.

ISO 9001:2008 and accreditations.

Sui Generis health & safety promiseOur health & safety promise

We take your safety seriously, and that of all our people, whether we're at a small factory or a nuclear plant. We always adhere to stringent health and safety procedures at every stage – and comply with your own Heath and Safety policies.

Health & Safety.

Sui Generis satisfaction assuredSatisfaction Assured

Every job we undertake is completed with your satisfaction in mind. We work hard to be the best at every task we tackle – and that's why over 90% of our customers return to us time after time.

Customer Testimonials