Osma SquareLine is a 100mm (4") square section gutter system with 61mm square pipe - suitable for a maximum roof area of 178m² (with one downpipe)
Hydrodynamic outlet to handle more rainwater
Connects SquareLine gutter to 61mm downpipe
Concealed socket to hide downpipe cut end
Retained seals for secure, watertight installation
Conforms to BS EN 607:2003
Range available in Black, White and Brown