Without Knowledge of the Necessary Properties, Soil Materials Cannot Be Used. IT ShOULD ALSO BE Given Construction Solutions of Houses with Foundations, Walls, Floors, Ceiling and Roofs Clay Soils, That is, To Arm Developers With Necessary for Building. The Proper Operation of Buildings from Soils IS Important. For Example, The Outer Walls Shoup Be Plastered Or Coated with Lime Milk. IS Possible, Inst, Plastering of EXTERNAL WALLS, USE A COOTING OF SILICON COMPOPOPUNDS that do not Pass Water, BUT ALSO Do NOT Prevent Air Exchange.