Can consist of

9) to reduce heat transfer through supports to permafrost, it is necessary to lay over the supports, firstly, waterproofing and thermo-insulating layers; The waterproofing is laid on the base at least 0.20 m above the cutting of the foundation and can consist of: a layer of asphalt of 1 cm or two layers of tole or roofing ground, cement mortar 1: 1, sheet-t. p. Cerezitis in the waterproofing of glass with cement mortar and is not allowed.