Who We Are

Sub Zero Waterproofing Ltd was founded by Giovanni Spadotto in 2021. With over 14 years of trade experience in both New Zealand and Australia, Sub Zero is committed to bringing specialised knowledge and superior workmanship to all its projects.

Sub Zero Waterproofing follow all manufacturer’s installation procedures by continuously upskilling our workforce. This enables us to keep up to date with any technology advances and provide specialist application of waterproofing membranes, to basements/underground carparks, balconies and roofs, crack injection and leak repairs.

At Sub Zero Waterproofing we take pride in our service and are committed to delivering excellent workmanship. We thrive on transparency and will work with you to provide a cost-effective solution while ensuring the project is completed efficiently and on budget.
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Giovanni Spadotto - Director

​Approved product Suppliers

Allco Waterproofing Solutions
Viking Roofspec
Equus Industries
Nuralite Waterproofing
ARDEX New Zealand
​GAF Roofing NZ