The Cure-It Flat Flashing F300 is a high-quality GRP (Glass Reinforced Plastic) flashing designed to provide a reliable and watertight finish for flat roofs, upstands, and junctions. Engineered for both internal and external use, this flat flashing ensures professional detailing while protecting vulnerable areas from water ingress.
Crafted as part of the trusted Cure-It GRP Roofing System, the F300 flat flashing offers long-lasting durability, resisting UV exposure, moisture, and general wear. Its smooth, flexible GRP material allows for precise fitting around corners and edges, giving a clean and seamless finish every time.
Installation is straightforward and efficient. The lightweight design allows for easy cutting, shaping, and positioning, making it simple to achieve accurate results on-site. Once installed, it requires little to no maintenance — it won’t rust, rot, or corrode, ensuring a lasting solution for your roofing or construction project.
Ideal for both domestic and commercial applications, the Cure-It Flat Flashing F300 is the perfect choice for achieving a professional, watertight finish with minimal effort.
Key Benefits
• Dual-purpose use: Suitable for both internal and external applications.
• Durable construction: Made from UV-stable GRP for long-lasting strength.
• Easy installation: Lightweight and simple to cut, shape, and fix.
• Professional finish: Provides a clean and neat edge around upstands and junctions.
• Weather resistant: Protects against rain, frost, and UV damage.
• Low maintenance: No rust, rot, or corrosion over time.
Typical Applications
The F300 flat flashing is ideal for:
• Flat roof upstands and junctions
• Wall abutments
• Parapets and other vulnerable roofing transitions
• Both internal and external detailing for GRP roofing systems
Can the Cure-It Flat Flashing F300 be used both inside and outside?
Yes. The F300 flat flashing is designed for internal and external use. Its GRP construction ensures excellent durability and protection in all environments.
Is the F300 flashing easy to fit and cut on-site?
Absolutely. The lightweight and flexible design allows for simple cutting, shaping, and installation, making it quick and accurate to fit around corners and edges.
Does the flat flashing require ongoing maintenance?
No. Once installed, the F300 flat flashing is virtually maintenance-free. Its GRP material prevents rust, rot, and corrosion, ensuring long-term reliability and performance.
Absolutely. Check availability at your nearest branch during checkout or contact us directly.
Do you offer bulk pricing or trade discounts?
Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.
What if the product arrives damaged?
Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.
How fast is the delivery time?
Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.
What is the Return Policy?
We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.
Over 35 Years of Trading
+£3M Stock Value
Best Price Promise
10 Branches Across London & South East
Choosing a selection results in a full page refresh.