What is GRP? A Smarter Material for Smarter Builds
GRP mouldings are the ideal solution for almost any application.
GRP – or Glass Reinforced Plastic, often called fibreglass – is one of the most versatile and cost-effective composite materials available today. Lightweight yet incredibly strong, GRP mouldings can be formed into complex shapes, finished in any colour, and tailored to suit almost any application.
Used across industries like construction, transport, marine and leisure, GRP delivers long-lasting performance with minimal maintenance – and it doesn’t rot, rust, or corrode.
Design Flexibility
Mould into almost any shape or texture – perfect for custom builds, curved forms, and architectural features.
Strength & Durability
High strength-to-weight ratio, weather-resistant, and tough enough for industrial and outdoor environments.
Custom Finishes
Choose from a wide range of colours and textures – gloss, matte, smooth, or patterned – built right into the mould.
GRP Solutions for Every Industry
Trusted across marine, transport, leisure, construction and more.
At Glassfibre Moulders, we design and manufacture custom GRP mouldings and composite products for a wide range of industries. Whether you're looking for fire-rated components for the rail sector, durable parts for vehicles, or decorative architectural features, our GRP products offer outstanding strength, flexibility, and long-term performance.
Marine
Saltwater-resistant GRP mouldings designed for durability and precision.
With over 30 years of experience and ISO 9001:2015 accreditation, Glassfibre Moulders – a division of UK Hydroslides Ltd – has built a reputation for delivering reliable, high-quality GRP mouldings and composite solutions.
From initial design through to installation, we tailor everything to your specification, industry, and timeline - whether you need a bespoke one-off or a full production run.
Our quality management systems ensure every product is made to exacting standards, with full traceability and inspection.
Phenolic & Fire-Rated GRP
Specialists in Class 0/1 rated phenolic GRP – trusted by the rail and machinery industries for maximum safety and compliance.
In-House Design, Tooling & Manufacture
We control every step – from CAD drawing and plug production to finishing and delivery – ensuring precision and flexibility.
Custom, Collaborative Service
From one-off prototypes to full production runs, we work closely with clients to offer creative solutions and practical problem-solving.
Ready to Bring Your GRP Project to Life?
Whether you need a one-off moulding, a full production run, or something completely bespoke, our expert team will work with you every step of the way. With decades of experience and ISO 9001:2015 accreditation, you can trust us to deliver precision, quality and reliability.
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