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The F300 and F900 Continuous Flat Sheets are 1mm thick flexible GRP (Glass Reinforced Plastic) rolls designed for professional roofing applications. Available in 300mm and 900mm widths, these durable sheets are ideal for insertion under pitched roofs and continuation onto flat roof areas, ensuring a seamless, watertight connection.
Built for strength, flexibility, and long-term performance, these GRP sheets provide superior resistance against weathering, UV rays, and mechanical damage. Perfect for use with fibreglass roofing systems, they help create a professional, high-quality finish on both domestic and commercial projects.
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Please allow 1 to 3 working days for your order to arrive.
Returns are easy, if the items are unopened and unused then simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!
Here are 5 more great reasons to buy from us:
Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.
Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.
The F300 and F900 Continuous Flat Sheets are designed to create a seamless, weatherproof transition between a pitched roof and a flat roof. They are inserted under the pitched roof covering and extended down onto the flat roof to prevent water ingress and improve long-term durability.
Yes, these GRP sheets can be easily cut using standard roofing or fibreglass tools, allowing for on-site customisation to suit specific project dimensions and requirements.
Yes, F300 and F900 sheets are generally compatible with most GRP flat roofing systems. However, always check with your roofing manufacturer or supplier to ensure material and system compatibility.
With proper installation and maintenance, GRP sheets like the F300 and F900 can last 20–30 years or more. They offer excellent resistance to cracking, rot, and corrosion.
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