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Wavin Osma StormLine Gutters

Choose StormLine when you require a higher capacity domestic system with a classic ogee shape or when you want clean attractive lines around the roof perimeter or conservatory. Available in Black and White colour options

Osma Rainwater Range - The Science of Drainage - Guttering systems

The big problem with traditional guttering systems is they’re just not as efficient as they could be. So the OSMA team have designed a comprehensive rainwater range suitable for every need.

The advanced hydrodynamic running outlet has a unique wider aperture, capable of handling up to 30% more rainwater when compared with other outlets of a similar size.

Extra wide seals allow for thermal expansion and provide a secure watertight joint. The innovative Flexiclips make installation easy and can be removed to adjust the system or clean a seal.

Plus the unique cloaking collar has been designed to conceal the down pipe cut ends, for a much neater appearance.

Overflowing with innovative and practical features. Available in a range of six profiles for domestic and commercial applications.

An introduction to OSMA StormLine - OSMA Rainwater

An introduction to the Osma StormLine domestic, high capacity, ogee system.

This premier guttering system features an aesthetically pleasing profile, high front edge (to stop overshoot of rainwater), hidden hanging bracket option (for seamless bracket free appearance) and direct connection to round or square downpipe.

It also has inbuilt design features to aid installation, such as side fixing wings.

Wavin Osma StormLine Option - The Science of Drainage

Over the next 50 years, it’s predicted that rainfall and storm frequency in the UK will increase by over 20%.

And with heavier downfalls than ever before, many conventional guttering systems just can’t cope with the volume of water.

So OSMA developed StormLine. As the name suggests, it’s been specifically designed to control run off and prevent overshoot from the roof.

The unique Ogee profile has a higher front edge. Not only does this catch and channel more rainwater… it helps reduce overspill.

The advanced hydrodynamic running outlet has a unique wider aperture, capable of handling up to 30% more rainwater when compared with other outlets of a similar size.