Professional services · New Zealand
Trade waterproofing services
Professional waterproofing for construction companies, builders and developers throughout New Zealand, delivered by Allseal NZ. Every project is completed to NZ Building Code standards with full documentation.
What Allseal NZ waterproofs
Liquid-applied, sheet, cementitious and cavity drain systems, chosen for the job.
Below ground and basements
Tanking, cavity drain systems, and cementitious and membrane systems for below-ground structures, to BS 8102:2022.
Roofing and external decks
Flat roof membranes, traffic-bearing deck systems, balconies and external slabs, in liquid-applied and sheet systems.
Wet areas and bathrooms
Shower enclosures, wet rooms and bathroom waterproofing to AS/NZS 3740:2021, with flood test certification.
Pools and water features
Swimming pools, spa pools, water features and immersion tanks, in cementitious and flexible membrane systems.
Balconies and planter boxes
Traffic-bearing waterproofing for balconies, terraces, planter boxes and green roofs.
Remedial work and repairs
Diagnosis of failed membranes, remedial waterproofing and repair of defective systems. Failure analysis reports available.