clay brick banner image Terca Brick Find your very own look from hundreds of exquisite cladding bricks See More Exceptional building products covering the whole building envelope See Our Range Brick Guide Banner The Beautiful Brick Guide Everything you need to know about brick Setting the New Standard for Sustainable Building in NZ 100% natural clay block, all-in-one construction system, that simply does it all See More porotherm clay block near zero energy and maintenance banner Porotherm Clay Block
near zero energy & maintenance for your whole lifetime.
Warm & Cosy!
Stellaria NZ

Passionate about 100% natural eco-sustainable building materials for every design solution

Porotherm Clay Block Construction System - Home Page link

Porotherm Clay Block

Confined masonry construction walling system – earthquake and fireproof, thermal, acoustic, breathable for high-performance building.
CLIMAmur link image

CLIMAmur Clay Block

A self-supporting and self-insulating solution, CLIMAmur® requires no additional insulation doubling thanks to its high thermal inertia.
Terca Clay Cladding Brick - Home Page link

Terca Clay Cladding Brick

Hundreds of beautiful, unique clay veneer bricks in a wide range of colours, styles, and finishes.
argeton profile

Argeton Clay Facing Tiles

Ceramic rain-screen cladding tiles available in a range of colours, finishes and shapes with simple ‘clip-on’ installation systems.
Penter Clay Paver - home page link

Penter Clay Pavers

Over 100 unique clay paving bricks in a wide range of colours, styles and shapes.
Koramic Roof Tile - Home Page link

Koramic Clay Roof Tiles

Clay roof tile, available in a large range of colours, styles and finishes.
Internorm Joinery - home page link

INTERNORM Joinery

Triple-glazed joinery manufactured in Austria – warm, quiet and secure for exceptional indoor living.
Solarlux Bifold doors - home page link

SOLARLUX bifold doors

German-manufactured bifold doors, available in double or triple-glazed.
BOEN flooring - home page link

BOEN Timber Flooring

Over 100 unique engineered-hardwood flooring options in a range of colours, finishes and styles.
MST Marbles - home page link

MST Marbles

Beautiful travertine and marble from Turkey.

New Zealand Projects

Peruwelz Imperium Flavius Brick - project image

Christchurch Terca Project – Imperium Flavius Brick

Queenstown Terca Project - Zwart Zwart Bezand Brick

Queenstown Terca Project – Heteren Zwart Zwart Bezand Brick

Karapiro Boathouse Porotherm Project - link image

Karapiro Boathouse Porotherm Project

Whangapoua Project link image

Whangapoua Argelite Project

Kortemark Mardale Antique Project

Keri Keri Terca Project – Kortemark Mardale Antique Brick

Putaruru Porotherm NZ Project - main image

Putaruru Porotherm Project

Gordonton Terca Project - link image

Gordonton Terca Project

Karapiro Renovation NZ Project - BOEN flooring - main image

Karapiro Renovation Project

What our clients say

“I would like to thank Chris MacPherson from MacPherson Architecture for introducing us to the Porotherm clay block product. We were looking…”

Chris & Kate Renton
Hamilton, Aug. 2015

“We are very thankful for everything you guys have done for us, and we think that everyone should build out of Porotherm.”

Josh & Amy McClaren
Auckland, Mar. 2016

Our Services

ARCHITECTURAL DESIGN

Architectural design services covering all aspects of design.

INTERIOR DESIGN

Interior design covering all aspects of design.

TECH. SUPPORT & CONSULTING

Technical support for all Stellaria products, and on-site training support.

About Us

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We believe every New Zealander deserves a healthy, warm, dry, and beautiful home.

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Wienerberger

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Wienerberger is the world’s largest producer of clay bricks and number one on the clay roof tiles market in Europe.

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Get Inspired

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Find out more about our projects, Wienerberger’s project around the world, news and more…

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FAQs

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Everything you need to know about our products.

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