Drainage encompasses stormwater and sewerage from residential properties and from commercial and farming properties.

Drainage encompasses stormwater and sewerage from residential properties and from commercial and farming properties. Drainage also involves culverts for state highways and rural road crossings. Drainworld has culverts for rural and residential entrances and culverts for farm and forestry tracks.

Another aspect is subsoil drainage and this includes such material as Novaflo, Novacoil, Nexus, Nexuscoil and Hiway drain. Drainworld also perforates PVC to NRB F2 standards. 

Drainage materials stocked are concrete, polyethylene, PVC, aluminum, and corrugated steel pipe.

Click this link to view the Compliance Document for New Zealand Building Code: Clause G13: Foul Water – Second Edition.

Click this link to view the Compliance Document for New Zealand Building Code: Clause E1: Surface Water