Alusthetic PVC Threshold Drain With Aluminium Grating 1 Metre LengthAlusthetics Aluminium threshold drain is a slim doorway threshold drainage channel made for domestic level projects involving non trafficked zones such as patios, pathways and walkways. This effective drainage solution collects and redirects accumulated water, eliminating water ponding around house or business entrances, patios and pedestrian open spaces. The linear drainage channel (or trench drainage channel) effectively manages water runoff at