Si-Flux Products
Si-Flux Siphonic Anti-Block Outlet
Introduction
Si-Flux stands as the culmination of four decades of dedicated research and development in the realm of siphonic systems. Our mission? To craft a siphonic outlet and design a program solution that is safer, simpler, more accessible, and competitively superior.
From our pioneering work in siphonic development four decade s ago, our team of experts has continuously strived to exceed customer expectations. We’ve heeded their feedback, pushing the boundaries further to introduce Anti-Block universal siphonic outlets tailored for concrete, metal gutter, and membraneapplied roofs. These outlets not only meet but exceed operational requirements, boasting:
- Enhanced Blockage Prevention: Say goodbye to worries about leaves plastic bags, sand, and silt obstructing your system.
- Sturdy Metallic H10 Roof Trafficable Cover Plate: EN-approved for reliability and durability.
- EN-Approved Built-in Membrane Clamping Mechanism: No need for additional bolt-on accessories, ensuring seamless integration.
- Hot Work EN Certification: Suitable for roofs sealed with hot-applied sealants, guaranteeing safety and compliance.
- Universal Fit: From 4 LPS to 90 LPS, our outlets are available in Alloy or Stainless body, accommodating a wide range of needs.
- Easy Installation: Simple pipework connections and straightforward roof applications make setup hassle-free.
Our commitment to delivering a high-quality product that aligns with customer needs is unwavering. That’s why our team dedicated their time and expertise to developing a geometric siphonic solution as an alternative to fin-operated outlets. This innovation ensures a safer product that fulfills all operational requirements, providing peace of mind to our valued customers.

AL-MP-01
- Alloy body
- Metal pipe and any gutter or roof type

SS-HD-02
- S/S body
- HDPE pipe, and any gutter or roof type

AL-HD-03
- Alloy body
- HDPE pipe, and any gutter or roof type
HDPE Fittings & Rail System
Si-Flux provide a full range of S12.5 HDPE Fittings and Bracket System.
Please open our catalogue for more information.

“It is not innovative – if it is not cheaper”
See our range of products above for integration into your future projects
(See our approvals for for further qualification)