Our business

The Building Products Division manufactures high-quality building materials for a broad range of industries across New Zealand.

The Building Products Division employs over 1,000 people across more than 60 manufacturing, distribution and sales sites in New Zealand, and creates products used to build homes, buildings and infrastructure – including insulation, plasterboard, laminate surfaces and plastic and concrete piping.  

Its businesses include Winstone Wallboards, Laminex New Zealand, Tasman Insulation, Humes, Iplex Pipelines New Zealand, CSP Pacific, and joint venutre Altus.

Our Building Products businesses


Building Products - Winstone Wallboards
Winstone Wallboards

Winstone Wallboards is New Zealand's only manufacturer and largest marketer of gypsum plasterboard, drywall systems, and associated products and services. The company has been operating since 1927 and manufactures plasterboard systems under the GIB® brand.

View website

Logo Building Products Laminex NZ
Laminex New Zealand

As the leading supplier of high quality surfaces in New Zealand, Laminex New Zealand's portfolio features a range of locally-made and global products for benchtops, cupboards, walls and building products. Laminex New Zealand® delivers expert knowledge on the latest surface solutions from popular and innovative brands including Laminex®, Melteca®, Caesarstone®, Formica® and Strandfloor®. Their customer service and national distribution teams go above and beyond to offer exceptional support and meet delivery expectations right across the country.

View website

Building Products - Tasman Insulation
Tasman Insulation New Zealand

Tasman Insulation New Zealand's business is insulation, whether it is for residential homes, commercial buildings, or industrial complexes. Their best-known brands include Pink® Batts® insulation, PinkFit® installers and Sisalation® building foils and underlays.

View website

Building Products - Humes

Founded in 1923, Humes is one of the largest and longest serving infrastructure suppliers in New Zealand with 26 sales centres and seven manufacturing operations across the country. Along with manufacturing a range of premium pre-cast and concrete pipes, they are also experts in providing innovative technology and products to suit New Zealand’s different infrastructure needs. This includes roading, streetware, drinking water, stormwater, and wastewater management.

View website

Building Products - Iplex Pipelines NZ
Iplex Pipelines New Zealand

Iplex Pipelines is a leading manufacturer and supplier of plastic pipeline systems in New Zealand. Iplex Pipelines provides products and systems to the water infrastructure, irrigation, civil, telecommunications, electrical, and construction sectors.

View website

Building Products logo - CSP Pacific
CSP Pacific

CSP Pacific supply and hire road systems and safety products. Their products include permanent and temporary road safety barriers, lighting and utility columns, poles, and corrugated metal structures.

View website

Building Products logo - Altus

Altus is a joint venture that develops and manufactures premium aluminium extrusions for an extensive range of industries; whether it is windows and doors, commercial systems or specialist aluminium extrusion for private supply.

View website