Australia's Leading Range of Thermally Broken Aluminium Windows and Doors


Why Choose FlowTHRU Threshold Drain Solutions

Fully Tested

The only fully tested threshold drainage solution available for Vantage® door systems – proven performance Tested in an NATA accredited laboratory.

Anti-Slip Grate

Compliant with a number of Australian and International Standards for pedestrian, wheelchair, bicycle and cane use, the flowTHRU™ threshold drain incorporates a maximum slot width of 6mm to prevent small heels from becoming trapped

Stainless Steel Design

Manufactured from 316-grade stainless steel, flowTHRU™ threshold drainage solutions look great and will stand the test of time, offering excellent durability and corrosion resistance.

One Supplier

Having one supplier for your drain and door ensures your products will fit together effortlessly on-site, achieving the high quality architectural finish you desire.


Subscribe for specification insights, tools and resources