JAS Siphonic is a specialist supplier of Siphonic Rainwater Drainage Systems, with experience of 45,000 systems worldwide. We provide design, JAS siphonic outlets, HDPE piping systems, supervision and installation services.

JAS Siphonic System is a solution to rainwater management for your project. We pay attention to every detail and primarily serve the demands of project owners, overcoming all the limitations of the conventional rainwater drainage system.

Moreover, JAS Siphonic pipework design is flexible. There is no need for sloped rain leader  pipes, which provide extra space and enhance the project’s aesthetics. JAS Siphonic helps reduce the overall cost of the rainwater drainage system by up to 65%.