Clay Block Technology

with Chris MacPherson


Chris is a licensed building practitioner in architectural design at MacPherson Architecture Ltd. He's also a landscape architect, with over 25 years industry experience in both disciplines. This blog represents his recent work designing in clay masonry construction.

25 August 2017

2020 Near Zero Energy Standards for Climate Neutral Buildings

A nearly zero energy house is a building that covers most of its low energy requirements with renewable energy sources. 

17 May 2017

Designing Intelligent Buildings

Smart materials and systems that create high thermal, acoustic and ventilation performance are key to intelligent building design.

23 March 2017

A Rigorous Peer Review of Porotherm's Clay Block Construction for NZ Seismic Conditions

Structural engineer Dr Jason Ingham compares Eurocodes 6 and 8 with the limit loading criteria in the New Zealand Building Code.

24 February 2017

Declare: Increasing Transparency for Healthier, Safer Buildings

Declare accreditation for Porotherm confirms that it is a 100% natural and sustainable product, suitable for NZ's built environment.

22 November 2016

Compliance with NZBC Clause H1 Using Clay Construction Blocks

A modelled method on a proposed five level contemporary home being constructed using good passive solar design and clay construction blocks.

22 September 2016

H1 and Thermal Mass with Clay Construction Blocks

Insulating walls have the capacity to add thermal gain, adding significant heating and cooling capacity at no extra cost.

19 August 2016

Meeting B1 Structure with Porotherm Clay Blocks

The structural integrity of Porotherm confined masonry walls meets clause B1 of the NZBC and has been further demonstrated through European standards for earthquake resistance.

20 July 2016

Earthquake-Resistant Construction with Porotherm Clay Block

In order to meet higher seismic requirements, a new block was developed by Wienerberger to be used in very high seismic zones in Europe.

22 June 2016

Using Computational Analysis of Thermal Performance for Passive Solar House Criteria

Dynamic simulation software for Passive Solar systems and building energy optimisation show that the e4 Blockhouse NZ easily reaches Passive Solar House criteria for the NZ built environment.

25 May 2016

The Acoustic Insulation Benefits of Perforated Clay Blocks

Porotherm Clay Blocks are specifically designed and manufactured to attain high thermal and acoustic performance.

18 March 2016

Moisture Management by Hydrometric Regulation

Porotherm naturally regulates internal humidity levels.

21 January 2016

Efficiency of Block Laying: Porotherm Clay vs. Concrete

With fewer blocks per square metre and less mortar required, Porotherm clay blocks prove to be a fast and economic construction option.

23 November 2015

The Benefits of Thermal Mass for Passive Cooling in Summer

The impact of climate change means many warmer regions are looking to buildings with thermal mass to not only retain warmth in winter, but also to cool in the summer months.

27 October 2015

Labels and Certifications for Clay Block Construction

Clay construction technology has attained an impressively high level of accreditation throughout Europe and the rest of the world.

20 September 2015

Engineering for Clay Block Construction

Engineering for Porotherm clay construction is a simpler form of residential masonry construction — easily mastered by engineers, architects and designers.

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