Importance

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Abstract

The invention relates to a building material (M2), which can be produced by combining 30 to 70% by weight of a cement or respectively hydraulic binder, 20 to 80% by weight of water and 0.05 to 15% by weight of a porous and/or pore-forming material; or by combining 10 to 80% by weight of a cement or respectively hydraulic binder, 10 to 80% by weight of a pulverulent and/or granular mineral filler, 20 to 80% by weight of water and 0.05 to 15% by weight of a porous and/or pore-forming material; and in each case by subsequent mixing of the combined components for 1 to 15 minutes. The invention furthermore relates to a building system element (1; 2) with a first section (11; 21) containing particularly compact solid particles distributed in a hardened cement matrix (M1) and fixed thereby, and with a second section (12; 22) containing pores distributed in a hardened cement matrix (M2). This second section (12; 22) can be composed of the building material (M2) according to the invention.

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First Claim