Practical, plain-language guidance on choosing, installing and maintaining water storage, written by the Promax team.
Rigid concrete tanks cracked in the Christchurch and Kaikoura earthquakes, and Promax replaced many of them. We have had no recorded failures of our plastic tanks after those events, which is the clearest answer we can give on material choice.
Read the guideConcrete tanks can be buried and keep water cooler; plastic tanks cost less, take new outlets easily and flex in an earthquake. Here is the honest comparison, including where concrete wins.
Read the guideConcrete water tanks are sold on four claims: that they are cheap, strong, keep water pure and are easy to clean. Each one is worth testing before you buy on reputation.
Read the guideBrowse Promax tank categories for residential, rural, commercial, and specialised applications.
Durable above-ground water tanks for rural, residential, and commercial storage.
Underground water storage for sites where space, access, or visibility matters.
Narrow-profile tanks designed for homes, boundaries, and other restricted spaces.
Specialised tanks for demanding commercial, industrial, and process applications.
