Ultra Flex is a fully reinforced polyurethane liquid waterproofing system that delivers a long-lasting, flexible, and totally seamless membrane. Designed for reliability and ease of installation, Ultra Flex is a proven solution for a wide range of flat roof waterproofing projects, from new builds to refurbishment work.

As a single-component liquid that cures on contact with moisture, Ultra Flex is ready to use straight from the container – no additives or mixing required. The system’s reinforced design and elastomeric properties ensure outstanding flexibility, durability, and crack-bridging performance, even in demanding environments.

Ideal Applications

Ultra Flex flat roof waterproofing systems are suitable for:

• New roofing projects.
• Repair or refurbishment of existing flat roofs.
• Flat and low-pitched roofs.
• Complex roof detailing and upstands.
• Box and valley gutters.

Key Benefits of Ultra Flex

• Reliable adhesion – bonds to most substrates for a secure finish.
• Early rain resistance – continues to perform even in unpredictable weather.
• Cold weather application – suitable for year-round use.
• One-process, wet-on-wet installation – quick and efficient application.
• User-friendly – easy to apply with a brush or roller, even around complex detailing.
• Safe installation – cold applied, with no flames or heat required.
• Elastomeric performance – remains flexible to cope with structural movement.
• Seamless protection – reinforced system eliminates weak points and potential leaks.

Why Choose Ultra Flex for Flat Roof Waterproofing?

Ultra Flex provides a safe, efficient, and durable solution for flat roof waterproofing. Its wet-on-wet, flame-free application makes it quick to install, while its reinforced membrane ensures long-term resistance against water ingress. Whether for new flat roofs, refurbishment projects, or challenging detailing, Ultra Flex delivers seamless protection and peace of mind.