SquareLine is a 100mm (4 inch) gutter system with a smart, efficient rectilinear profile which can be used for domestic roof areas up to a maximum of 178m2 with one downipe.

Designed to be quickly and easily installed.

Square 61mm downpipe can be installed flush to the wall or off the wall. System is compatible with RoundLine 68mm circular downpipe via an adaptor.

SquareLine downpipe is directly compatible with Wavin Osma StormLine gutter system.

Available in black, white and brown.

  • Hydrodynamic outlet for high flow performance.

  • Wide retained seals provide secure, watertight fixture.

  • Expansion line and stopper for secure and reliable installation.

  • Concealed sockets hide roughly cut downpipe ends.