Metroflex Material Packs (No Primer)

Metroflex GRP Flat Roofing Kit – No Primer Required (Up to 60m²)

Upgrade your flat roof with Metroflex, the next generation of GRP flat roofing systems engineered for strength, flexibility, and long-term reliability.

This complete Metroflex roofing kit contains all required materials for installation without the need for primer, including direct application onto OSB decking.
Application tools not included.

Metroflex forms a seamless, fully bonded membrane that eliminates weak points, joints, and welds—delivering a permanent flat roofing solution that outperforms traditional felt, EPDM, and single-ply systems.

Key Advantages

• Primer-free application on suitable substrates

• Seamless, monolithic waterproof membrane

• Liquid-applied system bonds directly to the roof deck

• Reinforced with 300g chopped strand mat for superior strength

• Highly flexible resin resists cracking and movement

• Withstands UV exposure, heat, weathering, and foot traffic

• Suitable for any flat roof size, shape, or complexity

• Installed without expensive specialist equipment

Fire Rated for Total Peace of Mind

Metroflex incorporates FIRELOK® technology, achieving the highest flat roof fire classification – BRoof (t4).
This ensures compliance with UK Building Regulations and makes Metroflex suitable for both domestic and commercial flat roofing projects.

Finish Options

• Standard colour: RAL 7016 Anthracite Grey

• Optional slate granule finish for enhanced aesthetics and non-slip performance

Guaranteed Performance

Every Metroflex system is backed by a 20-year materials guarantee, giving you confidence in a proven, permanent roofing solution designed to stand up to anything nature can throw at it.

🔹 Technical / Specification-Led Version

Metroflex GRP Flat Roofing System – Primer-Free Kit (Up to 60m²)

The Metroflex GRP flat roofing kit provides all core materials required to install a fully bonded, seamless GRP roofing membrane without the use of a primer, including direct application to OSB roof decking.
Application tools are not supplied.

Metroflex utilises a high-performance, flexible polyester resin system reinforced with 300g/m² chopped strand glassfibre mat, producing a durable monolithic membrane suitable for new build and refurbishment flat roofs of any configuration.

System Performance

• Liquid-applied, fully bonded GRP system

• Seamless membrane with no joints or welds

• High tensile strength with excellent crack-bridging properties

• Resistant to thermal movement, UV degradation, and weathering

• Suitable for pedestrian foot traffic

• Can be installed using standard roofing tools

Fire Performance & Compliance

The Metroflex system is tested and certified to BRoof (t4) in accordance with UK fire performance standards for flat roofing systems.
Integrated FIRELOK® technology ensures compliance with Building Control requirements.

Coverage

• Kit coverage: up to 60m²

• Suitable for roofs of any size when installed as part of a full Metroflex system

Finish & Colour

• Supplied in RAL 7016 Anthracite Grey as standard

• Optional slate granule broadcast finish for increased slip resistance and visual appeal

Warranty

All Metroflex GRP roofing products are supplied with a 20-year materials guarantee, providing long-term assurance of system durability and performance.

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.

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.