What is the best foundation for a wooden log house?

The choice of the foundation for a wooden structure is mainly associated with the analysis of the soil on which the developer is going to put the house. In addition, the type of foundation is influenced by the climatic conditions and financial capabilities of the future property owner. There are several types of foundations that are actively used in the construction of wooden structures.


This foundation is considered one of the most reliable, which is primarily due to its solidity and large area. Such a foundation can be built on virtually any soil, even without detailed geodetic research. The peculiarity of the slab foundation is the absence of burial, due to which the base “floats” along with the house, that is, the movement of the soil does not affect the strength of the structure. For non-heavy buildings, such as a bath or a garage, the shed is sufficiently 10-15 cm thick. For a residential building, the required thickness is 20-30 cm.Slab base - one of the most costly options for arranging the foundation.


Belt also belongs to the category of the most reliable. This is a monolithic structure, located not under the whole building, but only under the bearing walls. The peculiarity of the ribbon base is the solidity and closure of the contour. Such a foundation for a log house holds the load well on sandy, gravel or sandy-gravel soil.
It is desirable that on the site of laying the foundation was as little as possible moisture. It is easy to check this: it is enough to dig a hole 1 m deep (not counting the fertile layer) and, if there is no water, you can safely proceed to work. If, however, moisture is present, it is necessary to deepen the trench more than the calculated value and use a double layer of waterproofing.

Columnar and pile-screw

This is the most economical option; You can use metal or asbestos cement pillars, which were already in use. However, there are limitations that you need to know in advance. Column foundation should not be erected on a weak, mobile soil. Also, the construction will not work if it is planned to build a basement, ground floor.Such a basis is well suited where the soil is stable and there is some relief of the relief - the pillars will help to level it. It must be remembered that the supports should be dug below the depth of freezing.
The pile-screw foundation refers to the column type; the difference is that at the end of these piles there is a cutting with blades, which, like a self-tapping screw, helps the post to be screwed into the ground. Installed piles are tied with a metal "belt" by welding. The main advantage of such a foundation - the speed of construction. The reliability of the foundation depends on the quality of the piles, related to their thickness, the strength of the metal and the thoroughness of the anti-corrosion treatment.

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