“Share”-filled clay blocks – the easy way to achieve

Passive House standard

Share & friends make it easy to improve construction materials. In the pipeline for a number of years now, this novel, highly performant insulating material has pyrosilicic (“fumed”) acid as its main constituent.

The product Share is already approved for diverse applications. Several construction material producers are working on its direct, physical integration into walling material.

Share‘s main, immediate merits include very low thermal conductivity (l ≤ 0.021 W/mK) and its mineral makeup, stable washer repellency, non-combustibility (Euro class A1 according to EN 13501), natural permeability and permanence.

Share also has more general advantages to offer, like the major gains in living space that result from being able to meet Passive House standards with 36.5 cm-thick brick walls as opposed to the approx. 50 cm thickness of, say, a concrete wall + ETICS. A “Shared” brick wall is so durable, that there will be no need to renovate it with new ETICS after the usual 30 or so years.

Share‘s sustainable properties and overall contribution to environmental protection include lower costs of construction and building maintenance, the comparatively small overall, space-specific volume of construction material (or, in other words, more living space for a given size of building), not to neglect easy, environment-compatible recycling and a monolithic mode of construction (36.5 cm) for Passive Houses that is making it easier for the Passive House standard to prevail on the market. All this adds up to a sustainable big picture.

Matthias Rimmele, share & friends, Ehingen, Germany

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