Commercial and Domestic
Roof and Wall
About Insulation Wholesalers
Insulation Wholesalers supplies premium insulation, Thermax B® thermal breaks, ventilation and weatherproofing products directly from our central warehouse. We deliver New Zealand wide.
We supply building products that perform and last, at competitive prices. Specifiers get clear product data and technical information to support compliance. Builders and project managers get reliable stock and delivery that keeps the programme on track.
We work with architects, designers, builders, contractors and project managers on residential and commercial projects. If you are working on a small job or a DIY project, we are happy to help with that too.
Tell us what the project needs and we will recommend the right insulation and weathertightness solution
Built Around What Project Teams Need
- Thermal breaks, insulation, ventilation and weatherproofing products chosen for how they perform in the building, with data sheets to support your specification.
- Where a product holds a CodeMark certificate or BRANZ appraisal, we say so on the product page and link to the documentation. [CONFIRM: final list of certificates and appraisal numbers]
- We supply from our own factory and warehouse in Palmerston North and deliver direct to site across New Zealand.
- Project outcomes. Thermal breaks cut to your width, products made to size, and straight answers from someone who knows the product.
Thermal Break
Insulation Wholesalers Thermal Break products are a cost-effective, safe, durable, and effective solution. We customise thermal breaks in thickness and width to suit your project.
Insulation
We provide a range of insulation products. From traditional “Building Batts” to Extruded Polystyrene high-density construction boards and Expanded Polystyrene Foam insulation
Ventilation
At Insulation Wholesalers, we stock some of the finest industrial ventilation products from some of the world’s leading brands of roof vents and roof turbines. We recommend CSR Edmonds roof vents.
Weather Proofing
Engineered to protect insulation, our wraps and tapes create a seamless barrier against moisture infiltration, ensuring lasting protection and peace of mind.
You Will Find Our Thermal Breaks, Weatherproofing and Insulation Here
Reviews From Customers
Posted on Google![]()
BillyTrustindex verifies that the original source of the review is Google.
Thine walls have great insulationPosted on Google![]()
Wilbur TongTrustindex verifies that the original source of the review is Google.
Awesome service, Was treated very well throughout everything and all of the XPS Foam I received is of very high quality. If you’re a hobbyist looking for foam, get in touch with these guys.Posted on Google![]()
Remco PostmaTrustindex verifies that the original source of the review is Google.
There service was really good, they worked with us on delivery options and choosing different products, have good tips on other stuff we might needed. We ordered 40mm HD XPS sheets for our bus conversion to a RV.Posted on Google![]()
Michael MeadsTrustindex verifies that the original source of the review is Google.
Excellent information and fantastic service. Highly recommendedPosted on Google![]()
Susan AndersonTrustindex verifies that the original source of the review is Google.
Spectacular product Thermax B - Call Insulation Wholesalers today. Thanks Anna & Matt! Service second to none.
How We Work With Project Teams
- Tell us the application. Share the drawings, the framing type and what the product has to do.
- We confirm the right product. You get a recommendation and the data sheets or appraisal documents you need for the specification.
- Made to size and delivered. We cut or manufacture to your sizes and deliver to site.
Supplying New Zealand Wide
Insulation Wholesalers Ltd. specialises in the supply and distribution of premium insulation, including Thermax-B®, along with ventilation and weatherproofing solutions. Serving the construction and building industry both here and overseas, we are dedicated to delivering top-quality building materials across New Zealand. Our products are available directly from our factory, located in Palmerston North. Trust us for superior insulation, thermal break, ventilation, and waterproofing products to meet your needs.
We are your trusted partner for architects, engineers, and specifiers. When you specify our products, rest assured you’re not only receiving premium materials but also the dedicated service required to complete your project on schedule. Choose us for superior products and the service you need to achieve your goals efficiently.







