The disadvantage of the log house can be called a long period of shrinkage of such a building. There are logs of allocated, which, using a special machine, become the same almost perfect shape. There is also a glued beam that is obtained by gluing lamella in a beam that has grooves and spikes. The wood should have a humidity of about 10 percent, this will reduce the time to shrink the house. Wood is organic material, so it needs protection against decay and insects. To do this, it is necessary to prepare in advance impregnations for processing the entire wood.