Keep
Water
Out
with advanced
membrane technology
Wholesale Waterproofing Membranes & Roofing Supplies NZ
Keep water out with advanced membrane technology.
WaiSeal DIY
WaiSeal DIY is a user friendly seamless waterproofing system designed by Wholesale Roofing for New Zealand homeowners and small project repairs. Developed to perform in New Zealand’s harsh coastal, wet, and high-UV environments, WaiSeal DIY provides an easy-to-apply liquid membrane that forms a durable, joint free waterproof barrier. Ideal for decks, small flat roofs, gutters, and repair work, it allows homeowners to achieve professional level waterproofing results with a simple DIY application.
WaiSeal Pro
WaiSeal Pro is a professional grade seamless waterproofing membrane system designed by Wholesale Roofing specifically for New Zealand’s demanding climate. Engineered for commercial buildings, flat roofs, and high performance applications, WaiSeal Pro creates a fully seamless, liquid applied membrane that eliminates joins and reduces the risk of leaks. Developed to withstand New Zealand’s intense UV, wind, and heavy rainfall, it delivers long lasting waterproof protection for architects, builders, and licensed applicators nationwide.
With over 27 years of industry experience, we are a trusted supplier of high-quality roofing products, offering proven solutions tailored to meet the demands of New Zealand’s unique climate. Our deep understanding of roofing systems allows us to recommend the most effective materials and methods to ensure long-lasting performance and durability.
We supply a wide range of waterproofing products designed to protect and enhance both residential and commercial buildings—whether you’re working on a new build, renovation, or repair project. From membranes and sealants to advanced roofing accessories, our comprehensive product lineup is selected for quality, reliability, and ease of installation.
Our products are tailored for
Backed by decades of hands-on knowledge and a commitment to excellent service, we help our customers complete their projects with confidence and peace of mind.
WaiSeal – Built for New Zealand Conditions
WaiSeal is manufactured exclusively for Wholesale Roofing and designed to withstand New Zealand’s harshest weather. The WaiSeal range includes solutions for both homeowners and licensed professionals, delivering trusted waterproofing performance across New Zealand.
What does Wholesale Roofing NZ supply?
Wholesale Roofing NZ supplies premium roofing and waterproofing systems, including seamless WaiSeal membranes, torch-on bitumen, PVC, TPO, and DIY waterproofing solutions for residential and commercial projects across New Zealand.
Do you supply roofing and waterproofing products nationwide?
Yes. Wholesale Roofing NZ delivers roofing and waterproofing supplies nationwide, including Auckland, Wellington, Christchurch, Hamilton, Tauranga, and regional New Zealand.
What is WaiSeal and why is it different?
WaiSeal is a seamless, liquid-applied waterproofing system with no joins or overlaps, reducing leak risk compared to traditional sheet or torch-on membranes. It is manufactured specifically for New Zealand conditions and, unlike most seamless membranes, can be applied year-round making it ideal for NZ’s changing weather and coastal environments.
What’s the difference between WaiSeal DIY and WaiSeal Pro?
WaiSeal DIY is designed for homeowners and small projects, while WaiSeal Pro is a professional-grade system installed by licensed applicators for commercial and high-risk roofs.
Can homeowners buy directly from Wholesale Roofing?
Yes. Homeowners can purchase WaiSeal DIY directly, while WaiSeal Pro is available through approved applicators and distributors to ensure correct installation.
Is WaiSeal suitable for New Zealand’s coastal and high-rain areas?
Yes. WaiSeal membranes are UV-stable, flexible, and designed to perform in New Zealand’s harsh conditions, including coastal, high-wind, and heavy-rain environments.
Do you offer trade pricing for builders and roofers?
Yes. Wholesale Roofing NZ offers trade and volume pricing for builders, roofers, and contractors, along with technical support and reliable supply.
What types of roofs can your systems be used on?
Our systems are suitable for flat and low-pitch roofs, decks, gutters, parapets, walls, and below-ground waterproofing applications.
Is DIY roof waterproofing actually reliable?
Yes when applied correctly. Products like WaiSeal DIY provide seamless waterproofing suitable for repairs, garages, decks, and maintenance projects.
How do I choose the right waterproofing system?
It depends on roof size, risk level, and budget. Wholesale Roofing NZ can help you choose between DIY and professional systems based on your project.