Applied technology
We share our expertise through our specification manual, this website and our technical support department. This way you can apply the best available technology in jointing, fixing system and material for the specific challenges you face.
The Akasison siphonic roof drainage system combines the following technologies:
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design software -
high accuracy and flexibility

Cost-effective siphonic roof drainage systems are engineered as a function within the layout of the building, type of roof, rainwater intensities, etc.
Our Technical Support department is specialized to fully assist you. Our Akacad design software will help in this process. This software enables us to optimise technical analysis accurately and
produce a hydraulic calculation, parts list and isometric drawing
of the pipe work.
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roof outlets -
top choice for every roof and climate

At the heart of the siphonic roof drainage system, the roof outlet responds to negative pressure conditions in the system by streamlining the fluid flow, whilst preventing the entry of air.
For every level of rain intensity, type of roof construction and roof membrane, you can choose a dedicated Akasison roof outlet.
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fixing system -
maximum safety & convenience

The Akasison fixing system is designed to absorb length changes without transferring stress onto the roof construction.
The brackets can be installed single-handed using easy clip-on mounting, allowing maximum freedom of action high up in the building.
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PE pipe system -
low weight and durability
The Akatherm siphonic roof drainage system is made from High Density PolyEthylene (PE). The low weight, impact resistance and flexibility of this material make it the ideal choice for the siphonic roof drainage system.
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technology -
simple, secure and fast jointing
For jointing Akatherm PE pipe and fittings, we recommend our electrofusion system (Akafusion). Electrofusion is the ideal method for jointing roof drainage systems as the pipe work can be easily assembled and welded close under the roof. The Akafusion control box is extremely light (2 kgs) and can weld the full diameter range of electrofusion couplers, 40-315 mm.




At the heart of the siphonic roof drainage system, the roof outlet responds to negative pressure conditions in the system by streamlining the fluid flow, whilst preventing the entry of air. For every level of rain intensity, type of roof construction and roof membrane, you can choose a dedicated Akasison roof outlet.
