Free NZ delivery · Free samples

Talk to a drainage expert


Tell us about your project and we'll help you pick the right channel, outlets and accessories.

Free samples

Try before you buy


Not sure which profile suits your project? Tell us where to send it and we'll post you a free sample.

  • See and feel the marine-grade alloy top
  • Check the profile fits your screed depth
  • Posted free to your door, NZ-wide

We only use your details to send your sample and follow up on your project.

Quick answers


Does Ultra Drain rust?

No. The alloy grating is anodised to marine-grade specifications.

Which size of Ultra Drain should I use?

It depends on the surface area and the rainfall that needs to be drained from the site. Compare flow rates in our size guide, or call us on 09 415 4588 and we'll help you choose.

Can I drive a vehicle over Ultra Drain?

Yes, with a vehicle up to 1,000 kg per inflated tyre at a maximum speed of 25 km/h, provided the Ultra Drain is encased in concrete as per the installation guide. The channels are not intended for heavy vehicular traffic over 5 tonnes.

Is delivery free?

Yes, orders through ultradrain.co.nz are delivered free, New Zealand wide.

Can I get a sample before I order?

Yes. Fill in the free sample form with your name, email, mobile and delivery address and we'll post one out.

Also available from

Our resellers