Construction element for preparing fluid or pasty ready-made construction materials, e.g. chalk, gypsum, cement etc. - has water-soluble jacket containing building material, when water is added mixture becomes fluid or pasty ready for use

摘要

The construction element comprises a material (2) for preparation with water and a water-soluble jacket (1) which encloses the construction material. The core material is a mineral material containing chalk or gypsum, and may be a binding material such as cement. The water-soluble jacket surrounds the first, core material such that when water or a water containing fluid is added, a fluid or pasty material results which is ready for use. The jacket material is paper based, and the jacket is of a size fit for purpose.