Having done price comparisons online prior to ordering, travis perkins couldn't be beaten on price. They are helpful, polite and I have been recommending to others.
Osma StormLine is a high capacity domestic system with ogee profile - suitable for a maximum roof area of 254m² (with one downpipe). Use with RoundLine or SquareLine downpipe.
Osma DeepLine is a 113mm (4 ½") high capacity domestic gutter with semi-elliptical profile. Max roof capacity is 299m² (with one downpipe). For use with RoundLine downpipe.
Wavin Osma RoofLine is a 150mm (6") half-round gutter system suitable for industrial and commercial applications. Connects to 110mm Wavin OsmaSoil downpipe
Osma StormLine is a high capacity domestic system with ogee profile - suitable for a maximum roof area of 254m² (with one downpipe). Use with RoundLine or SquareLine downpipe.
Osma DeepLine is a 113mm (4 ½") high capacity domestic gutter with semi-elliptical profile. Max roof capacity is 299m² (with one downpipe). For use with RoundLine downpipe.
Wavin Osma RoofLine is a 150mm (6") half-round gutter system suitable for industrial and commercial applications. Connects to 110mm Wavin OsmaSoil downpipe