The mix is dry enough that once the material is rammed into place and a wall panel completed, the shuttering can be removed immediately. Rammed earth walls are limited to the shapes that can be built with removable shuttering, so the building should be designed to make practical and effective use of the available shuttering.
Finished inside view of tall rammed earth feature wall. Consistent workmanship is critical for both the appearance and the strength of rammed earth walls, so site work has to be of high quality — an area of wall that is not mixed or rammed correctly can ruin a whole panel. One difficulty with the rammed earth method is that strict limits have to be placed on shrinkage to eliminate cracking.
Sandy and gravelly material will have to be added to a lot of soils to reduce shrinkage. Many drawings of construction details which have been proved in New Zealand are included to help builders in earth to achieve durable and weather resistant buildings. This means that any building designed and built in accordance with them automatically meets those provisions of the NZ Building Code and will get Building Consent. Earth buildings must also meet other requirements of the building code.
It is possible to construct your earth house without the need for structural design by an engineer by using NZS Earth Buildings Not Requiring Specific Design, or any of the Standards, but you must prove that your building meets a certain standard. However, the Standards will probably save you money anyway.
You must be logged in to post a comment. Down to earth building not only build rammed earth houses but conventional houses too. Their team of qualified builders all with a high level of attention to detail, ensure their clients get a home of the highest quality. Jimmy is passionate about building quality houses. He is happy to sit down with clients and Architects from the start to ensure their vision is achieved.
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