Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to How do you use epoxy fiberglass resin?
Protection against sunlight is a key consideration when choosing an epoxy resin for fibreglass applications. Understanding the role of UV resistance can help you achieve the best results and keep your projects looking their best for longer.
Why UV Resistance Matters
Exposure to ultraviolet (UV) rays can cause untreated epoxy fibreglass resin to yellow, lose clarity, and eventually degrade. This is particularly relevant for items exposed to sunlight—outdoor furniture, boats, automotive parts, or decorative finishes. UV-resistant formulations help maintain an epoxy’s original appearance and strength, protecting both function and looks over time.
How to Choose a Resin with UV Protection
For outdoor or highly visible applications, select an epoxy resin specifically formulated with integrated UV filters. For example, “Icrystal” Clear Epoxy Resin includes a UV filter to help reduce yellowing and maintain a brilliant transparent finish. Similarly, other specialist resins state their UV resistance features and should be chosen where longevity in sunlight is a priority.
When This Matters
- Outdoor surfaces or furniture
- Boats, canoes, or watercraft using fibreglass layers
- Any project with exposed or decorative epoxy finishes
If your work is likely to be placed inside, away from direct sunlight, UV protection may be less critical. However, for lasting results outdoors or under windows, it’s well worth the added benefit.
Related products
Related guides
In summary, UV resistance is an essential feature for any epoxy fibreglass resin used outdoors or where appearance matters. To ensure your projects retain their look and durability, explore suitable UV-stable resins in our main epoxy fibreglass resin guide.