Porotherm – Technical Information

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Porotherm Installation Guide

The Porotherm Installation Guide includes everything you need to know about the Porotherm System and its installation.

Porotherm Core Range


Porotherm Core Range #1	Porotherm Core Range #2

Porotherm Clay Block Construction System Animation

Cost Comparison - Porotherm vs Other Construction Materials

Wall Cost Comparison Sheet – Costing per square metre face wall area on retail (Rawlinson’s)

This is a base construction price only for a finished wall including materials and labour. The final cost will be subject to design complexity and contractor charges based on geographical area. 2019 Estimates based on Waikato/ Auckland – New Zealand.


Cost Comparison Chart	Cost Comparison List

As a complete building solution, the Porotherm system offers properties and efficiencies that can be favourably compared to virtually every building fabric on the market.

Reference: Wienerberger


Porotherm versus Concrete Masonry	Porotherm versus Light Steel Frame


Porotherm versus Timber Frame	Porotherm versus AAC Thin Joint

Declare Label 2021

Declare Label 2021 – Porotherm (JPG)

Porotherm Thermal Training

PowerPoint Presentation to the right outlines the basic principles of the thermal technology of Porotherm clay blocks. While this is in English, it is primarily directed to a French audience – however, the wall construction blocks are used worldwide.

This thermal report has been conducted by Thermal & Acoustic Engineer, Lubos Krajci of Soundtherm. He has a PhD in Civil Engineering and is a Member of the Passive House Institute of New Zealand.

DRYFIX versus Mortar

The Future of construction has arrived.

Widely accepted in Europe for nearly a decade, POROTHERM DRYFIX SYSTEM is a technologically advanced building system that improves productivity, saves costs and water, and paves the way for the faster building of walls. It also ensures minimum use of scarce resources and a cleaner and healthier working environment.

DRYFIX, when used with POROTHERM clay blocks (which are 60% lighter, possess high compressive strength and provide high thermal insulation) forms a combination with unparalleled benefits.

(Reference: Wienerberger)

Technical Detail Sheets


Standart Porotherm Technical Details #1	Standart Porotherm Technical Details #2

Thermal Report

Hamilton House Thermal Report (pdf)

Taupo House Thermal Report (pdf)

Porotherm Seismic Info and Peer Review

Peer review Porotherm masonry construction (March 2017)

By: Jason Ingham
Professor of Structural Engineering, QuakeCoRE Flagship Leader, Natural Hazards Research Platform Theme Leader, President, Structural Engineering Society of NZ

Seismic Test Program of Special Designed Clay Blocks due to Earthquake Resistance by Wienerberger Consisting Real Scale Shaking Table-, Cyclic Shear-, Diagonal Tension and Compression Tests.

2008, Beijing, China.

Building Code Compliance Report

Peter Thorby of Tekton Consulting has reviewed Porotherm Compliance to the New Zealand Building Code.

Technical Documentation

Porotherm Endorsement CTMNC

Porotherm R25 Th+

Environmental Product Declaration

(Translated from French)

Video - Advantages of single-leaf wall with clay blocks by Wienerberger