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All new and more interesting on my Yandex Zen A. Ivanovich ptz https://www.zen.yandex.ru/id/61f40d91... A simple and reliable way to install a block foundation on heaving soil. The method of replacing such soil with sand and gravel mixture. This provides excellent drainage around the block and replaces heaving soil (clay, loam) with non-heaving soil. Or is it easier to make a gravel pad under the foundation blocks?