Shopping Cart
To qualify for free delivery, orders must be over £50.
  • Welcome to Premier Composites

    We are your one-stop shop for GRP materials and roofing kits.

    We offer a wide range of products perfect for your fibreglass roofing needs. Our materials are of the highest quality and our quality roofing kits are easy to install.

  • GRP Materials

    Our GRP materials are of the highest quality and are perfect for any of your roofing construction needs, including GRP resins, topcoats, trims, fixings, adhesives, sealants and much more.

  • GRP Roofing Kits

    Our wide range of GRP roofing kits are easy to install and tailored to your specific needs. Our customers can rest assured that the finished product will be of the highest quality.

  • Ordering

    How to order from Premier Composites?

    Simply call in at the Premier Composites trade counter, call us by phone, or visit us online. We have an excellent range of products available, so you're sure to find everything you need.

  • Delivery

    We offer a fast and reliable delivery service.

    We deliver anywhere in the UK, anytime. Just give us a call.

    Thanks for choosing Premier Composites.


Popular Products

Why Premier Composites?

We are a specialist GRP company based in Boston, Lincolnshire and we are the best at what we do.

For the past 30 years, we’ve produced high-quality glass fibre reinforced plastic mouldings and have a thorough understanding of the sector.

24/7 Customer Service

We provide excellent customer service. You can contact us anytime by phone, email, or via our website.

Secure Payment System

We use the latest security software provided by Natwest to ensure that your payment is processed safely and securely.

Wide Range of Products

We have a wide range of GRP materials and roofing kits available, so you’re sure to find your tailored solution.

GRP Roofing Trims

Have you received one of our GRP Roofing Trim Guides?

We stock a vast selection of specialist, roofing and corner trims to help you finish your roofing project to an excellent standard.

Send us a message or visit us at our trade counter to receive your trim guide.

GRP Roofing Trims

Join us on Facebook


Premier Composites hosts a Facebook Group for all things fibreglass and composites. 

This group is a great place to ask questions, learn from others in the industry, and stay up-to-date on the latest news and developments of Premier Composites and the composites industry.

We also use this group to announce new products and special offers, so make sure you turn on notifications


Our Facebook Shop Page is your one-stop shop for fibreglass and composite products.

From GRP resins and trims to fixings and adhesives, we have everything you need to get the job done right. 

We also offer a comprehensive range of training courses, designed to help you get the most out of our products and services. Visit our website or contact us today to learn more.

Chat Service

We pride ourselves on providing exceptional customer service. 

If you need help understanding our products and services, want to learn more about the latest industry developments, or simply have a question about an order you’ve placed, our team is happy to help. 

You can connect with us via Facebook Chat for quick and easy assistance. 

GRP Roofing System Training Courses

Training Courses

In addition to our comprehensive range of products, Premier Composites also offers a GRP Roofing one day training course to help you learn more about our highly durable and versatile composite materials. Our course is designed for anyone looking to gain a deeper understanding of GRP roofing, from beginners just starting out in the industry to experienced specialists who need a refresher on the latest techniques and best practices.

Our course covers topics such as material properties, mixing and application methods, product selection, installation techniques, and more. We also offer expert guidance on troubleshooting common issues and problems with GRP roofing projects. Whether you're looking to improve your skills or simply brush up on the basics, our one day training course will provide you with all the knowledge you need to succeed in this rapidly growing industry.

To sign up for our next course, please visit our website or contact us directly.


Latest Articles

Premier Composites | Buy Fibreglass & GRP Roofing Materials in Boston


Welcome to Premier Composites We are your one-stop shop for GRP materials and roofing kits. We offer a wide range of products perfect for your

View More

Get in touch with us

Premier Composites | Buy Fibreglass & GRP Roofing Materials in Boston
Free UK Shipping

On all orders above £50

Easy 30 days returns

30 days money back guarantee

Supplier Guarantee

All our products are certified

100% Secure Checkout

PayPal / MasterCard / Visa