From half-round guttering that integrates seamlessly to residential, commercial and industrial buildings, to siphonic roof drainage systems for flat roofs and complex roof areas, we offer a wide range of solutions to capture rainwater.
OSMA RoundLine Guttering System
RoundLine is a domestic half-round system that can serve roof areas up to a maximum of 163m2 with one downpipe.
OSMA SquareLine Guttering System
SquareLine is a square profiled system for domestic applications serving roof areas up to a maximum of 178m2 with one downpipe.
OSMA StormLine Guttering System
StormLine combines its attractive appearance with ability to handle large volumes of water. For roof areas up to a maximum of 254m2.
OSMA SuperLine Guttering System
SuperLine is a half-round system offering an excellent volume removal rate that can serve roof areas up to a maximum of 250m2 with one downpipe.
OSMA DeepLine Guttering System
DeepLine is a semi-elliptical profiled system for domestic applications where a high capacity system is required - serving roof areas up to a maximum of 299m2 with one downpipe.
OSMA RoofLine Guttering System
RoofLine is a half-round system for commercial /industrial applications offering high volume removal rate that can serve roof areas up to a maximum of 317m2 with one downpipe.
Siphonic Roof Drainage QuickStream
Choose siphonic drainage when you need to drain large rainwater volumes from flat roof tops quickly and efficiently. Typically used on large industrial and commercial roofs, it is a cost-effective substitute for traditional systems.