Pile service life — 150 years.

Pile service life — 150 years. To increase its service life to 200 years, they use special impregnation. Its high seismic resistance does not require waterproofing. The carrying supply of a screw pile from 4 — to 18 tons, despite the fact that a one -story house of wood weighs 2 — 3 tons, from brick 7 — 9 tons.