Light duty (car loading 1.5 & 12.5 tonne) 100mm internal width channel for use as a patio drainage or driveway drainage system to remove excess surface water. Available in four different versions which are plastic channel with plastic grating, plastic channel with galvanised steel grating, plastic channel with reinforced nylon grating or the very discreet Aco ‘brickslot’ channel that does not incorporate a grating but an almost invisible top slot section measuring only 10mm wide. The Aco brickslot system is normally used with a block paved patio or driveway.