Adseal Waterproofing

New Zealand's trusted waterproofing contractor — delivering certified, high-performance solutions for commercial, residential and industrial projects since 1992.

Waterproofing Specialists

Trusted by New Zealand's leading construction firms for premium waterproofing, tanking and concrete protection solutions across the country.

Over 30 Years Experience

Proudly certified applicators for Sika, Viking, Nuralite, Ardex and Equus — delivering manufacturer-backed warranties on every installation.

Certified Applicators

About AdsealO Waterproofing

Adseal Waterproofing is a trusted name in the New Zealand waterproofing industry, delivering high-quality solutions for over 30 years. We specialize in a comprehensive range of services including waterproofing, tanking, concrete repair, protective coatings, and decorative flooring for both commercial and residential properties.

Our team of experienced professionals uses the latest technology and highest quality materials to ensure every project meets the highest standards of durability and performance. We are committed to protecting your property with reliable, long-lasting waterproofing solutions.

Latest Projects

New Roof with Nuraply TPO

New completed roof featuring Nuraply TPO

Bituthene tanking to swimming pool

Our Services

From basement tanking to roof waterproofing, Adseal delivers complete water protection solutions for every type of structure. All installations are carried out by certified, experienced applicators.

Waterproofing

Comprehensive waterproofing solutions for roofs, decks, basements, and structures using premium Sika, Viking and Nuralite systems.

Tanking

Below-ground waterproofing and tanking systems for basements, retaining walls, and submerged structures.

Concrete Repair

Structural concrete repair and restoration using advanced Sika and Ardex repair mortars and protection systems.

Protective Coatings

High-performance protective coatings for concrete, steel, and industrial surfaces offering chemical and abrasion resistance.

Decorative Flooring

Architectural and decorative flooring systems including polished concrete, epoxy, and polyurethane finishes.

Joint Sealants

Professional joint sealing solutions for expansion joints, construction joints, and crack repairs in all structures.

BY THE NUMBERS

For over three decades, Adseal has been protecting New Zealand's most important structures. Our track record speaks for itself — thousands of successful projects and partnerships with the world's leading waterproofing manufacturers.

YEARS EXPERIENCE

1000

PROJECTS COMPLETED

MAJOR PARTNERS

What Our Clients Say

Outstanding service from start to finish. Adseal installed a Viking Enviroclad roof system for our new building and the result is superb - both functional and aesthetically pleasing.

Lisa Grant Facilities Manager, Hamilton

The team at Adseal tackled a complex basement tanking project for us with total professionalism. They identified issues others missed and delivered a flawless result.

David Chen Architect, Christchurch

We have worked with Adseal on multiple projects over the years. Their expertise in Sika waterproofing systems is second to none, and their after-service support is excellent.

Emma Davidson Property Developer, Wellington

Test test

Mark Richardson Construction Manager, Auckland

Our Partners

Adseal is proud to be a certified applicator for the world's leading waterproofing and construction material manufacturers.