It is known to all those people who at least a little in construction that there are three varieties of the foundation, namely strip, continuous and pile. So the most difficult of them is precisely the pile foundation, which, as it is already understood by the use of special piles. And the piles, by the way, are very different. In principle, all piles can be divided according to the material of origin, that is, into piles of silt, wood and metal. At leisure it will not be superfluous to find out about the services of the site .