Helical Piles: A Mimimal Green Foundation
We spent the morning wandering about the huge Construct Canada exhibition hall, Following the green balloons marked “Green Products” and getting depressed by the proportion of obvious greenwashers but cheered by the few gems. One that had no balloon but should have is the Techno Metal Post, developed in Quebec as TechnoPieux. In northern US and Canada foundations have to go below the frost line, requiring basements or crawl spaces. If a building is on piers, a big hole is dug and a sonotube is put in and filled with concrete. Invariably there is landscape damage, piles of dirt and a big mess to be cleaned up. It is very permanent and requires concrete and redi-mix trucks. Then there is the techno-post.
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