Siphonic Roof Drainage

Unlike traditional roof drainage systems a siphonic system is designed to operate with the piping completely charged with water during a rainstorm.

Siphonic roof drainage. Any small debris such as leaves twigs etc. Co a siphonic roof drain looks much like a traditional roof drain. Hydromax siphonic roof drainage more efficient many technical benefits and saves money. Will be pulled into the pipe system and flushed away.

Siphonic drainage systems can be used to drain a roof if the following criteria are met. A siphonic roof drain has a special insert that acts as an air baffle and anti vortex vane such that only water is drawn off of the roof not air. Siphonic solutions is a next generation design and construction company specialising in siphonic roof drainage systems. Siphonic roof drain anatomy siphonic roof drains from jay r.

In principle syphonic drainage is a very simple process. Does a siphonic roof drainage system block more readily than a conventional drainage system. Many large industrial commercial and retail buildings are now fitted with siphonic drainage which has clear advantages over gravity drainage. A syphonic drainage system is not only cheaper to construct than a typical roof drainage system especially when a large industrial roof has to be covered but the system s design means there is no need for the pipe pitch or gradients found in typical roof drain piping.

Unlike traditional roof drainage which is designed to flow part full a syphonic system operates at full capacity when water is sucked or syphoned from the roof down into the drain at high velocity. Siphonic drainage was first introduced in the 1960 s in scandinavia and since then has been used widely across europe including the uk in the far east australasia south africa and the usa. In a world where our weather patterns are becoming more extreme hydromax provide world leading siphonic syphonic drainage solutions for a range of projects. Conventional gravity fed roof drainage systems rely on gravity and water s ability to spread out and flow to the lowest point channeling from the roof down through the gutter outlets and downpipes to the ground below.

Drainage of large roof surfaces requiring a minimum outflow capacity of 1 0 l s. Providing more efficient drainage our hydromax siphonic roof drainage solutions will use less pipe material and save you money. Adequate difference in height of at least four metres between the roof and the buried drains. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows.