It is no secret that in the old days, buildings and other structures made of wood (and then it was the main building material) stood for centuries. The buildings of the sixteenth century have survived to this day in good condition. Of course, many have already undergone repairs and replacement of individual elements, but in general the buildings look good. And the most interesting thing is that the building material itself is perfectly preserved.
Not every stone or brick structure can withstand such a long service life, but wood of that time can withstand: it does not rot, it is not damaged by various bugs. And all this without any preliminary chemical treatment.
Is it possible to get a similar result today?
Experts say this is entirely possible if the correct timber is used, namely pine logs from the northern regions. Such a pine dead wood is called Kelo. It's all about the climatic conditions in which the tree grows.
Too harsh northern climate leads to the fact that the growth of pine here is very slow. For a year, a pine tree can increase in diameter by no more than two millimeters. But this is also the plus of wood. Slow growth affects its density, and it is very high. If the kelo is not removed by a person, then it can stand for years.
Even if there are no bark and branches on the trunks, they still will not rot. And time has no power over them. No matter how many years have passed, the wood will not crack and dry out. Therefore, these pines were called "stone".
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Its downside is that it is very hard and can be processed with great difficulty, so construction work is not easy. Plus, the price is too expensive building material and in reality not everyone can afford to buy it for a full-fledged residential building.
Continuing the topic read, how in the old days they managed to keep the house cool: tricks that will save you from the heat.
A source: https://novate.ru/blogs/200821/60239/
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