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Lighter structures made of SIP panels allow you to get by with a columnar foundation. From the point of view of the costs of materials and labor, they turn out to be one and a half to two, and in the case of a greater depth of laying the foundation sometimes and five times more profitable than strip. The foundation is a number of supports drowned in the ground, on which the severity of the load -bearing walls of the house falls. It is worth taking into account several features of the column foundation. Where horizontal displacements of soil layers are possible, a rigid strapping is necessary, connecting the top of the supports. Do not use such foundations on weak and marshy soils, especially in the construction of two or more floors. Finally, in this case, the floor of the first floor will have to be treated especially seriously.