For All Your Waterproofing Solutions
Gunac combines technical excellence with industry leading materials to safeguard your assets – above and below ground.
Gunac Waterproofing Specialists, a division of Access | Partners in Property, is New Zealand’s leading provider of specialist waterproofing services. With over 40 years of experience, Gunac is the trusted name for high-performance waterproofing systems across commercial, industrial, government, education, aged care, and residential sectors.
Our expertise spans a wide range of high-performance solutions including Sheet Membranes, High Build Coatings, Sealants, Liquid Membrane and other specialist waterproofing products designed for long term durability and protection.
Whether you’re managing commercial buildings, residential complexes, educational institutions, or critical environments, Gunac delivers tailored waterproofing systems that meet the highest industry standards. Our team ensures every application is compliant, resilient, and built to perform in New Zealand’s diverse climate conditions.
Gunac's Services
Gunac delivers high performance waterproofing systems tailored to complex environments. As approved applicators of New Zealand’s leading membrane technologies (TPO, PVC, Torch-on), and liquid-applied coatings.
We protect roofs, decks, basements, and building exteriors with long term, guaranteed solutions. Our expertise spans new builds, remedial works, and below ground tanking, ensuring watertight integrity across all asset types.
Gunac’s roofing division specialises in warm roof systems, metal roofing installations, and re-roofing programs for commercial, education, aged care, and government facilities.
Our team of certified technicians and project managers deliver durable, energy efficient roofing solutions backed by robust warranties and seamless integration with Access’s wider property services.
From urgent leak mitigation to planned maintenance programs, Gunac provides responsive and reliable repair services. Our offering includes roof inspections with photographic reporting, sealant replacements, external protective coatings, and abseil access repairs.
Supported by Access’s 24/7 call centre and integrated job management systems, we ensure your property remains safe, compliant, and protected.
Approved Applicators And Trusted Products
Our Service Portfolio
Clients
Get In Touch With Our Team
As a client, you will be satisfied knowing your project will be led and completed by a qualified and certified team. Our team include Project managers and Quantity Surveyors who bring international experience to offer solutions for you.
Accreditations
