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TRIROOF FIBREGLASS ROOF TRAINING: Learn how to use our TriRoof Products

Training available in the UK & Ireland

Learn how to apply our TriRoof Range of Resins and Topcoats specially formulated for a high-quality finish.

We offer a 1-day, CPD certified, training course designed to provide you with all the basics you will need to start using our TriRoof Products. All successful trainees will have the ability to offer a 25-year materials guarantee.

You can choose from either of our locations in the UK or Ireland. Our experienced instructors will cover all aspects of Fibreglass Roof Installation from material preparation to practical application.

Next course available in Leeds (LS10 1PS), 28th September. 3 Places Max.


1 Full Day


TriRoof Certification


25 years TriRoof guarantee


UK & Ireland

Check dates & book

Contact us to check the next available training date in your location. We also offer bespoke group training for larger teams.



Our comprehensive, one-day course will cover all the essentials you need to become a GRP Roofer.

  • Trainees will learn how to lay a basic TriRoof using our specially formulated roofing resins and topcoats.
  • There will be a practical demonstration and participants will be given the opportunity to laminate a roof.
  • Trainees will learn the health and safety, storage and handling procedures for the GRP roofing materials.
  • The course will also cover material estimation, costings, and other commercial considerations.
  • If contractors have any specific projects, they wish to prepare for these can be discussed.


Tommy Cowperthwaite

Tommy Cowperthwaite is our lead trainer and technical sales executive for TriRoof. Tommy has been working with Tricel Composites (formerly Glasplies) for over 10 years.

During this time, Tommy has trained hundreds of roofers and is exceptionally knowledgable when it comes to all aspects of GRP Roofing (as well as driveways and moulding).

Tommy is well-known for his excellent customer support so don’t hesitate to ask any questions!


This course is particularly suitable if you are:

• A Roofing Builder, a Merchant or Contractor.
• Wanting to improve how on how to use GRP Roofing Resin
• Looking for an initial understanding of GRP Roofing Systems
• Looking to buy our products and learn how to apply them 

Looking to train to a bigger Team? Get in touch to find out how we can tailor this course to your needs.


We have three locations within the UK and Ireland.

Tricel Composites (GB) 
Unit A, Fox Way, Off Atkinson Street, Leeds, LS10 1PS,    United Kingdom
+44 (0)1138 590 789

Tricel Composites (NI) 
Units 10 & 11, Milltown Industrial Estate, Greenan Road, Warrenpoint, Newry, BT34 3FN.
+44 (0)28 25 022 674

Tricel (Killarney)
Ballyspillane Industrial Estate, Killarney, Co. Kerry, V93 PN84.
+44 (0)28 25 022 674


Duration: Courses start at 9.30 am and finish at approximately 4 pm

Food: Lunch is provided, along with tea, coffee, and refreshments

Class size: No more than 10 participants (enough so that you have other people to learn from, but not so many that you’re lost in the crowd!).

What to bring/wear: No need to bring anything. A long-sleeved top and full-length trousers are advised. A hi-vis will also be provided on the day.